22776401408 has 40 divisors (see below), whose sum is σ = 47077600680. Its totient is φ = 10995496960.

The previous prime is 22776401393. The next prime is 22776401443. The reversal of 22776401408 is 80410467722.

It is a happy number.

It is a super-2 number, since 2×22776401408² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 752138 + ... + 781833.

It is an arithmetic number, because the mean of its divisors is an integer number (1176940017).

Almost surely, 2^22776401408 is an apocalyptic number.

It is an amenable number.

22776401408 is an abundant number, since it is smaller than the sum of its proper divisors (24301199272).

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

22776401408 is an equidigital number, since it uses as much as digits as its factorization.

22776401408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1534018 (or 1534002 counting only the distinct ones).

The product of its (nonzero) digits is 150528, while the sum is 41.

The spelling of 22776401408 in words is "twenty-two billion, seven hundred seventy-six million, four hundred one thousand, four hundred eight".