22407777552 has 80 divisors (see below), whose sum is σ = 58617067712. Its totient is φ = 7375380480.

The previous prime is 22407777551. The next prime is 22407777583. The reversal of 22407777552 is 25577770422.

It is a super-2 number, since 2×22407777552² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (22407777551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2122527 + ... + 2133057.

Almost surely, 2^22407777552 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22407777552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29308533856).

22407777552 is an abundant number, since it is smaller than the sum of its proper divisors (36209290160).

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

22407777552 is a wasteful number, since it uses less digits than its factorization.

22407777552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11096 (or 11090 counting only the distinct ones).

The product of its (nonzero) digits is 1920800, while the sum is 48.

The spelling of 22407777552 in words is "twenty-two billion, four hundred seven million, seven hundred seventy-seven thousand, five hundred fifty-two".