22540211723 has 8 divisors (see below), whose sum is σ = 22687571136. Its totient is φ = 22393324800.

The previous prime is 22540211717. The next prime is 22540211737. The reversal of 22540211723 is 32711204522.

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

It is a cyclic number.

It is not a de Polignac number, because 22540211723 - 2²² = 22536017419 is a prime.

It is a super-2 number, since 2×22540211723² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22540271723) 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, 22148 + ... + 213473.

It is an arithmetic number, because the mean of its divisors is an integer number (2835946392).

Almost surely, 2^22540211723 is an apocalyptic number.

22540211723 is a deficient number, since it is larger than the sum of its proper divisors (147359413).

22540211723 is a wasteful number, since it uses less digits than its factorization.

22540211723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236245.

The product of its (nonzero) digits is 6720, while the sum is 29.

The spelling of 22540211723 in words is "twenty-two billion, five hundred forty million, two hundred eleven thousand, seven hundred twenty-three".