22770206404 has 63 divisors (see below), whose sum is σ = 46233032671. Its totient is φ = 9805352040.

The previous prime is 22770206387. The next prime is 22770206441. The reversal of 22770206404 is 40460207722.

The square root of 22770206404 is 150898.

It is a perfect power (a square), and thus also a powerful number.

It is a super-2 number, since 2×22770206404² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22770206404.

It is an unprimeable number.

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 20 ways as a sum of consecutive naturals, for example, 1198431907 + ... + 1198431925.

Almost surely, 2^22770206404 is an apocalyptic number.

22770206404 is the 150898-th square number.

It is an amenable number.

22770206404 is an abundant number, since it is smaller than the sum of its proper divisors (23462826267).

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

22770206404 is an frugal number, since it uses more digits than its factorization.

22770206404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140 (or 32 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 34.

The spelling of 22770206404 in words is "twenty-two billion, seven hundred seventy million, two hundred six thousand, four hundred four".