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2202040404 = 22346796421
BaseRepresentation
bin1000001101000000…
…0111100001010100
312200110112020120000
42003100013201110
514002210243104
61002301211300
7105366014604
oct20320074124
95613466500
102202040404
11a2aaa3603
12515560b30
132912972b5
1416c64cc04
15cd4c1639
hex83407854

2202040404 has 30 divisors (see below), whose sum is σ = 5756569434. Its totient is φ = 734013360.

The previous prime is 2202040339. The next prime is 2202040409. The reversal of 2202040404 is 4040402022.

2202040404 is a `hidden beast` number, since 220 + 2 + 0 + 40 + 404 = 666.

It can be written as a sum of positive squares in only one way, i.e., 2002383504 + 199656900 = 44748^2 + 14130^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2202040409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 3397887 + ... + 3398534.

Almost surely, 22202040404 is an apocalyptic number.

It is an amenable number.

2202040404 is an abundant number, since it is smaller than the sum of its proper divisors (3554529030).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2202040404 is a wasteful number, since it uses less digits than its factorization.

2202040404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6796437 (or 6796426 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 18.

The square root of 2202040404 is about 46925.9033370696. The cubic root of 2202040404 is about 1300.9934032159.

Adding to 2202040404 its reverse (4040402022), we get a palindrome (6242442426).

The spelling of 2202040404 in words is "two billion, two hundred two million, forty thousand, four hundred four".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 81 108 162 324 6796421 13592842 20389263 27185684 40778526 61167789 81557052 122335578 183503367 244671156 367006734 550510101 734013468 1101020202 2202040404