22236644434 has 4 divisors (see below), whose sum is σ = 33354966654. Its totient is φ = 11118322216.

The previous prime is 22236644411. The next prime is 22236644501. The reversal of 22236644434 is 43444663222.

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., 11577114409 + 10659530025 = 107597^2 + 103245^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5559161107 + ... + 5559161110.

Almost surely, 2^22236644434 is an apocalyptic number.

22236644434 is a deficient number, since it is larger than the sum of its proper divisors (11118322220).

22236644434 is a wasteful number, since it uses less digits than its factorization.

22236644434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11118322219.

The product of its digits is 663552, while the sum is 40.

The spelling of 22236644434 in words is "twenty-two billion, two hundred thirty-six million, six hundred forty-four thousand, four hundred thirty-four".