22455494488 has 32 divisors (see below), whose sum is σ = 48165622560. Its totient is φ = 9614442240.

The previous prime is 22455494473. The next prime is 22455494543. The reversal of 22455494488 is 88449455422.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 136243 + ... + 251938.

It is an arithmetic number, because the mean of its divisors is an integer number (1505175705).

Almost surely, 2^22455494488 is an apocalyptic number.

22455494488 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

22455494488 is an abundant number, since it is smaller than the sum of its proper divisors (25710128072).

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

22455494488 is a wasteful number, since it uses less digits than its factorization.

22455494488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 389227 (or 389223 counting only the distinct ones).

The product of its digits is 14745600, while the sum is 55.

The spelling of 22455494488 in words is "twenty-two billion, four hundred fifty-five million, four hundred ninety-four thousand, four hundred eighty-eight".