22898077540 has 24 divisors (see below), whose sum is σ = 51784883640. Its totient is φ = 8454674688.

The previous prime is 22898077519. The next prime is 22898077567. The reversal of 22898077540 is 4577089822.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2668135716 + 20229941824 = 51654^2 + 142232^2 .

It is a Harshad number since it is a multiple of its sum of digits (52).

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, 44034505 + ... + 44035024.

It is an arithmetic number, because the mean of its divisors is an integer number (2157703485).

Almost surely, 2^22898077540 is an apocalyptic number.

22898077540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22898077540 is an abundant number, since it is smaller than the sum of its proper divisors (28886806100).

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

22898077540 is a wasteful number, since it uses less digits than its factorization.

22898077540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88069551 (or 88069549 counting only the distinct ones).

The product of its (nonzero) digits is 2257920, while the sum is 52.

The spelling of 22898077540 in words is "twenty-two billion, eight hundred ninety-eight million, seventy-seven thousand, five hundred forty".