22606537255 has 4 divisors (see below), whose sum is σ = 27127844712. Its totient is φ = 18085229800.

The previous prime is 22606537249. The next prime is 22606537259. The reversal of 22606537255 is 55273560622.

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

It is not a de Polignac number, because 22606537255 - 2⁵ = 22606537223 is a prime.

It is a super-2 number, since 2×22606537255² (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 (22606537259) 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, 2260653721 + ... + 2260653730.

It is an arithmetic number, because the mean of its divisors is an integer number (6781961178).

Almost surely, 2^22606537255 is an apocalyptic number.

22606537255 is a deficient number, since it is larger than the sum of its proper divisors (4521307457).

22606537255 is an equidigital number, since it uses as much as digits as its factorization.

22606537255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4521307456.

The product of its (nonzero) digits is 756000, while the sum is 43.

The spelling of 22606537255 in words is "twenty-two billion, six hundred six million, five hundred thirty-seven thousand, two hundred fifty-five".