22021630424260 has 24 divisors (see below), whose sum is σ = 46265698175256. Its totient is φ = 8804790401280.

The previous prime is 22021630424249. The next prime is 22021630424273. The reversal of 22021630424260 is 6242403612022.

It can be written as a sum of positive squares in 4 ways, for example, as 6680198513664 + 15341431910596 = 2584608^2 + 3916814^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 241313767 + ... + 241405006.

It is an arithmetic number, because the mean of its divisors is an integer number (1927737423969).

Almost surely, 2^{22021630424260} is an apocalyptic number.

22021630424260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22021630424260 is an abundant number, since it is smaller than the sum of its proper divisors (24244067750996).

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

22021630424260 is a wasteful number, since it uses less digits than its factorization.

22021630424260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 482721063 (or 482721061 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 34.

The spelling of 22021630424260 in words is "twenty-two trillion, twenty-one billion, six hundred thirty million, four hundred twenty-four thousand, two hundred sixty".