22077479760 has 160 divisors (see below), whose sum is σ = 82818484992. Its totient is φ = 4749434880.

The previous prime is 22077479759. The next prime is 22077479771. The reversal of 22077479760 is 6797477022.

It is a super-2 number, since 2×22077479760² (a number of 21 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 357951 + ... + 415070.

Almost surely, 2^22077479760 is an apocalyptic number.

22077479760 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22077479760 is an abundant number, since it is smaller than the sum of its proper divisors (60741005232).

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

22077479760 is a wasteful number, since it uses less digits than its factorization.

22077479760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 773061 (or 773055 counting only the distinct ones).

The product of its (nonzero) digits is 2074464, while the sum is 51.

The spelling of 22077479760 in words is "twenty-two billion, seventy-seven million, four hundred seventy-nine thousand, seven hundred sixty".