22043630555 has 4 divisors (see below), whose sum is σ = 26452356672. Its totient is φ = 17634904440.

The previous prime is 22043630513. The next prime is 22043630591. The reversal of 22043630555 is 55503634022.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 55503634022 = 2 ⋅27751817011.

It is not a de Polignac number, because 22043630555 - 2¹⁴ = 22043614171 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2204363051 + ... + 2204363060.

It is an arithmetic number, because the mean of its divisors is an integer number (6613089168).

Almost surely, 2^22043630555 is an apocalyptic number.

22043630555 is a deficient number, since it is larger than the sum of its proper divisors (4408726117).

22043630555 is an equidigital number, since it uses as much as digits as its factorization.

22043630555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4408726116.

The product of its (nonzero) digits is 108000, while the sum is 35.

The spelling of 22043630555 in words is "twenty-two billion, forty-three million, six hundred thirty thousand, five hundred fifty-five".