22150655623 has 4 divisors (see below), whose sum is σ = 22151832120. Its totient is φ = 22149479128.

The previous prime is 22150655621. The next prime is 22150655633. The reversal of 22150655623 is 32655605122.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22150655623 - 2¹ = 22150655621 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22150655621) 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, 559540 + ... + 597817.

It is an arithmetic number, because the mean of its divisors is an integer number (5537958030).

Almost surely, 2^22150655623 is an apocalyptic number.

22150655623 is a deficient number, since it is larger than the sum of its proper divisors (1176497).

22150655623 is a wasteful number, since it uses less digits than its factorization.

22150655623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1176496.

The product of its (nonzero) digits is 108000, while the sum is 37.

The spelling of 22150655623 in words is "twenty-two billion, one hundred fifty million, six hundred fifty-five thousand, six hundred twenty-three".