21630962622 has 32 divisors (see below), whose sum is σ = 45818199072. Its totient is φ = 6784487424.

The previous prime is 21630962611. The next prime is 21630962653. The reversal of 21630962622 is 22626903612.

It is a super-2 number, since 2×21630962622² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

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, 420078 + ... + 468750.

It is an arithmetic number, because the mean of its divisors is an integer number (1431818721).

Almost surely, 2^21630962622 is an apocalyptic number.

21630962622 is an abundant number, since it is smaller than the sum of its proper divisors (24187236450).

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

21630962622 is a wasteful number, since it uses less digits than its factorization.

21630962622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53052.

The product of its (nonzero) digits is 93312, while the sum is 39.

The spelling of 21630962622 in words is "twenty-one billion, six hundred thirty million, nine hundred sixty-two thousand, six hundred twenty-two".