22906798100 has 36 divisors (see below), whose sum is σ = 50041393500. Its totient is φ = 9101218560.

The previous prime is 22906798097. The next prime is 22906798127. The reversal of 22906798100 is 189760922.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 1486719364 + 21420078736 = 38558^2 + 146356^2 .

It is a super-2 number, since 2×22906798100² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 753785 + ... + 783584.

Almost surely, 2^22906798100 is an apocalyptic number.

22906798100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22906798100 is an abundant number, since it is smaller than the sum of its proper divisors (27134595400).

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

22906798100 is a wasteful number, since it uses less digits than its factorization.

22906798100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1537532 (or 1537525 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 44.

The spelling of 22906798100 in words is "twenty-two billion, nine hundred six million, seven hundred ninety-eight thousand, one hundred".