22642084249 has 16 divisors (see below), whose sum is σ = 23310182160. Its totient is φ = 21984399360.

The previous prime is 22642084243. The next prime is 22642084259. The reversal of 22642084249 is 94248024622.

It can be written as a sum of positive squares in 8 ways, for example, as 7431302025 + 15210782224 = 86205^2 + 123332^2 .

It is a cyclic number.

It is not a de Polignac number, because 22642084249 - 2⁷ = 22642084121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22642084243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3650619 + ... + 3656815.

It is an arithmetic number, because the mean of its divisors is an integer number (1456886385).

Almost surely, 2^22642084249 is an apocalyptic number.

It is an amenable number.

22642084249 is a deficient number, since it is larger than the sum of its proper divisors (668097911).

22642084249 is an equidigital number, since it uses as much as digits as its factorization.

22642084249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7020.

The product of its (nonzero) digits is 442368, while the sum is 43.

The spelling of 22642084249 in words is "twenty-two billion, six hundred forty-two million, eighty-four thousand, two hundred forty-nine".