22366340656442 has 4 divisors (see below), whose sum is σ = 33549510984666. Its totient is φ = 11183170328220.

The previous prime is 22366340656423. The next prime is 22366340656481. The reversal of 22366340656442 is 24465604366322.

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., 17566249646521 + 4800091009921 = 4191211^2 + 2190911^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5591585164109 + ... + 5591585164112.

Almost surely, 2^{22366340656442} is an apocalyptic number.

22366340656442 is a deficient number, since it is larger than the sum of its proper divisors (11183170328224).

22366340656442 is a wasteful number, since it uses less digits than its factorization.

22366340656442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11183170328223.

The product of its (nonzero) digits is 29859840, while the sum is 53.

The spelling of 22366340656442 in words is "twenty-two trillion, three hundred sixty-six billion, three hundred forty million, six hundred fifty-six thousand, four hundred forty-two".