22756402100 has 36 divisors (see below), whose sum is σ = 49470169644. Its totient is φ = 9086196480.

The previous prime is 22756402099. The next prime is 22756402103. The reversal of 22756402100 is 120465722.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 2383978276 + 20372423824 = 48826^2 + 142732^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22756402103) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 148577 + ... + 259976.

It is an arithmetic number, because the mean of its divisors is an integer number (1374171379).

Almost surely, 2^22756402100 is an apocalyptic number.

22756402100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22756402100 is an abundant number, since it is smaller than the sum of its proper divisors (26713767544).

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

22756402100 is a wasteful number, since it uses less digits than its factorization.

22756402100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 409124 (or 409117 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 29.

Adding to 22756402100 its reverse (120465722), we get a palindrome (22876867822).

The spelling of 22756402100 in words is "twenty-two billion, seven hundred fifty-six million, four hundred two thousand, one hundred".