23221604773802 has 4 divisors (see below), whose sum is σ = 34832407160706. Its totient is φ = 11610802386900.

The previous prime is 23221604773709. The next prime is 23221604773837. The reversal of 23221604773802 is 20837740612232.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 19977243707281 + 3244361066521 = 4469591^2 + 1801211^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5805401193449 + ... + 5805401193452.

Almost surely, 2^{23221604773802} is an apocalyptic number.

23221604773802 is a deficient number, since it is larger than the sum of its proper divisors (11610802386904).

23221604773802 is a wasteful number, since it uses less digits than its factorization.

23221604773802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11610802386903.

The product of its (nonzero) digits is 1354752, while the sum is 47.

The spelling of 23221604773802 in words is "twenty-three trillion, two hundred twenty-one billion, six hundred four million, seven hundred seventy-three thousand, eight hundred two".