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2202200122 = 21101100061
BaseRepresentation
bin1000001101000010…
…1110100000111010
312200110211100122111
42003100232200322
514002230400442
61002304442534
7105400251343
oct20320564072
95613740574
102202200122
11a300a2601
1251561944a
13291321bc5
1416c6910ca
15cd503b17
hex8342e83a

2202200122 has 4 divisors (see below), whose sum is σ = 3303300186. Its totient is φ = 1101100060.

The previous prime is 2202200089. The next prime is 2202200123. The reversal of 2202200122 is 2210022022.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2004263361 + 197936761 = 44769^2 + 14069^2 .

It is a Smith number, since the sum of its digits (13) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (2202200123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550550029 + ... + 550550032.

Almost surely, 22202200122 is an apocalyptic number.

2202200122 is a deficient number, since it is larger than the sum of its proper divisors (1101100064).

2202200122 is a wasteful number, since it uses less digits than its factorization.

2202200122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1101100063.

The product of its (nonzero) digits is 64, while the sum is 13.

The square root of 2202200122 is about 46927.6051168180. The cubic root of 2202200122 is about 1301.0248569290.

Adding to 2202200122 its reverse (2210022022), we get a palindrome (4412222144).

The spelling of 2202200122 in words is "two billion, two hundred two million, two hundred thousand, one hundred twenty-two".

Divisors: 1 2 1101100061 2202200122