22727772400 has 30 divisors (see below), whose sum is σ = 54603474152. Its totient is φ = 9091108800.

The previous prime is 22727772373. The next prime is 22727772401. The reversal of 22727772400 is 427772722.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22727772401) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 28409316 + ... + 28410115.

Almost surely, 2^22727772400 is an apocalyptic number.

22727772400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22727772400 is an abundant number, since it is smaller than the sum of its proper divisors (31875701752).

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

22727772400 is a wasteful number, since it uses less digits than its factorization.

22727772400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56819449 (or 56819438 counting only the distinct ones).

The product of its (nonzero) digits is 153664, while the sum is 40.

The spelling of 22727772400 in words is "twenty-two billion, seven hundred twenty-seven million, seven hundred seventy-two thousand, four hundred".