22445626463 has 4 divisors (see below), whose sum is σ = 24172213128. Its totient is φ = 20719039800.

The previous prime is 22445626397. The next prime is 22445626499. The reversal of 22445626463 is 36462654422.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 36462654422 = 2 ⋅18231327211.

It is a cyclic number.

It is not a de Polignac number, because 22445626463 - 2²² = 22441432159 is a prime.

It is a super-2 number, since 2×22445626463² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22445626963) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 863293313 + ... + 863293338.

It is an arithmetic number, because the mean of its divisors is an integer number (6043053282).

Almost surely, 2^22445626463 is an apocalyptic number.

22445626463 is a deficient number, since it is larger than the sum of its proper divisors (1726586665).

22445626463 is a wasteful number, since it uses less digits than its factorization.

22445626463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1726586664.

The product of its digits is 1658880, while the sum is 44.

The spelling of 22445626463 in words is "twenty-two billion, four hundred forty-five million, six hundred twenty-six thousand, four hundred sixty-three".