22085323251 has 4 divisors (see below), whose sum is σ = 29447097672. Its totient is φ = 14723548832.

The previous prime is 22085323231. The next prime is 22085323301. The reversal of 22085323251 is 15232358022.

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 22085323251 - 2¹⁰ = 22085322227 is a prime.

It is a super-2 number, since 2×22085323251² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22085323231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3680887206 + ... + 3680887211.

It is an arithmetic number, because the mean of its divisors is an integer number (7361774418).

Almost surely, 2^22085323251 is an apocalyptic number.

22085323251 is a deficient number, since it is larger than the sum of its proper divisors (7361774421).

22085323251 is an equidigital number, since it uses as much as digits as its factorization.

22085323251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7361774420.

The product of its (nonzero) digits is 28800, while the sum is 33.

The spelling of 22085323251 in words is "twenty-two billion, eighty-five million, three hundred twenty-three thousand, two hundred fifty-one".