22747522540 has 48 divisors (see below), whose sum is σ = 48084476832. Its totient is φ = 9039269376.

The previous prime is 22747522529. The next prime is 22747522597. The reversal of 22747522540 is 4522574722.

It is a junction number, because it is equal to n+sod(n) for n = 22747522493 and 22747522502.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1916464 + ... + 1928296.

It is an arithmetic number, because the mean of its divisors is an integer number (1001759934).

Almost surely, 2^22747522540 is an apocalyptic number.

22747522540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22747522540 is an abundant number, since it is smaller than the sum of its proper divisors (25336954292).

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

22747522540 is a wasteful number, since it uses less digits than its factorization.

22747522540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12466 (or 12464 counting only the distinct ones).

The product of its (nonzero) digits is 313600, while the sum is 40.

The spelling of 22747522540 in words is "twenty-two billion, seven hundred forty-seven million, five hundred twenty-two thousand, five hundred forty".