22445222450231 has 32 divisors (see below), whose sum is σ = 27110978519040. Its totient is φ = 18173324244096.

The previous prime is 22445222450227. The next prime is 22445222450243. The reversal of 22445222450231 is 13205422254422.

It is not a de Polignac number, because 22445222450231 - 2² = 22445222450227 is a prime.

It is a super-2 number, since 2×22445222450231² (a number of 28 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 (22445222455231) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25101866 + ... + 25980648.

It is an arithmetic number, because the mean of its divisors is an integer number (847218078720).

Almost surely, 2^{22445222450231} is an apocalyptic number.

22445222450231 is a deficient number, since it is larger than the sum of its proper divisors (4665756068809).

22445222450231 is a wasteful number, since it uses less digits than its factorization.

22445222450231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 881543.

The product of its (nonzero) digits is 307200, while the sum is 38.

The spelling of 22445222450231 in words is "twenty-two trillion, four hundred forty-five billion, two hundred twenty-two million, four hundred fifty thousand, two hundred thirty-one".