21222364060604 has 96 divisors (see below), whose sum is σ = 42768637632000. Its totient is φ = 9026118918144.

The previous prime is 21222364060603. The next prime is 21222364060693. The reversal of 21222364060604 is 40606046322212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21222364060603) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8134289252 + ... + 8134291860.

It is an arithmetic number, because the mean of its divisors is an integer number (445506642000).

Almost surely, 2^{21222364060604} is an apocalyptic number.

It is an amenable number.

21222364060604 is an abundant number, since it is smaller than the sum of its proper divisors (21546273571396).

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

21222364060604 is a wasteful number, since it uses less digits than its factorization.

21222364060604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5475 (or 5473 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 38.

The spelling of 21222364060604 in words is "twenty-one trillion, two hundred twenty-two billion, three hundred sixty-four million, sixty thousand, six hundred four".