22506357223 has 8 divisors (see below), whose sum is σ = 27075317120. Its totient is φ = 18275838840.

The previous prime is 22506357217. The next prime is 22506357229. The reversal of 22506357223 is 32275360522.

It is an interprime number because it is at equal distance from previous prime (22506357217) and next prime (22506357229).

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

It is not a de Polignac number, because 22506357223 - 2⁹ = 22506356711 is a prime.

It is a super-2 number, since 2×22506357223² (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 (22506357229) 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, 84610233 + ... + 84610498.

It is an arithmetic number, because the mean of its divisors is an integer number (3384414640).

Almost surely, 2^22506357223 is an apocalyptic number.

22506357223 is a deficient number, since it is larger than the sum of its proper divisors (4568959897).

22506357223 is a wasteful number, since it uses less digits than its factorization.

22506357223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169220757.

The product of its (nonzero) digits is 151200, while the sum is 37.

The spelling of 22506357223 in words is "twenty-two billion, five hundred six million, three hundred fifty-seven thousand, two hundred twenty-three".