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4022022402 = 232223445689
BaseRepresentation
bin1110111110111011…
…0011000100000010
3101101022010220111200
43233232303010002
531214114204102
61503033522030
7201445424556
oct35756630402
911338126450
104022022402
111784365a62
12942b73316
134c1362518
142a2247866
1518817551c
hexefbb3102

4022022402 has 12 divisors (see below), whose sum is σ = 8714381910. Its totient is φ = 1340674128.

The previous prime is 4022022379. The next prime is 4022022409. The reversal of 4022022402 is 2042202204.

4022022402 is a `hidden beast` number, since 40 + 220 + 2 + 2 + 402 = 666.

It can be written as a sum of positive squares in only one way, i.e., 3816644841 + 205377561 = 61779^2 + 14331^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 223445689 = 4022022402 / (4 + 0 + 2 + 2 + 0 + 2 + 2 + 4 + 0 + 2).

It is not an unprimeable number, because it can be changed into a prime (4022022409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 111722827 + ... + 111722862.

Almost surely, 24022022402 is an apocalyptic number.

4022022402 is an abundant number, since it is smaller than the sum of its proper divisors (4692359508).

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

4022022402 is a wasteful number, since it uses less digits than its factorization.

4022022402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223445697 (or 223445694 counting only the distinct ones).

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

The square root of 4022022402 is about 63419.4166009117. The cubic root of 4022022402 is about 1590.3089206334.

Adding to 4022022402 its reverse (2042202204), we get a palindrome (6064224606).

The spelling of 4022022402 in words is "four billion, twenty-two million, twenty-two thousand, four hundred two".

Divisors: 1 2 3 6 9 18 223445689 446891378 670337067 1340674134 2011011201 4022022402