22426620644523 has 8 divisors (see below), whose sum is σ = 30085609699648. Its totient is φ = 14859356009544.

The previous prime is 22426620644413. The next prime is 22426620644551. The reversal of 22426620644523 is 32544602662422.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22426620644523 - 2⁹ = 22426620644011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22426620644023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22931104465 + ... + 22931105442.

It is an arithmetic number, because the mean of its divisors is an integer number (3760701212456).

Almost surely, 2^{22426620644523} is an apocalyptic number.

22426620644523 is a deficient number, since it is larger than the sum of its proper divisors (7658989055125).

22426620644523 is a wasteful number, since it uses less digits than its factorization.

22426620644523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45862210073.

The product of its (nonzero) digits is 6635520, while the sum is 48.

The spelling of 22426620644523 in words is "twenty-two trillion, four hundred twenty-six billion, six hundred twenty million, six hundred forty-four thousand, five hundred twenty-three".