22250054452331 has 4 divisors (see below), whose sum is σ = 22257075615000. Its totient is φ = 22243033289664.

The previous prime is 22250054452273. The next prime is 22250054452349. The reversal of 22250054452331 is 13325445005222.

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 22250054452331 - 2³⁰ = 22248980710507 is a prime.

It is a super-2 number, since 2×22250054452331² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22250054452361) 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, 3510576581 + ... + 3510582918.

It is an arithmetic number, because the mean of its divisors is an integer number (5564268903750).

Almost surely, 2^{22250054452331} is an apocalyptic number.

22250054452331 is a deficient number, since it is larger than the sum of its proper divisors (7021162669).

22250054452331 is an equidigital number, since it uses as much as digits as its factorization.

22250054452331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7021162668.

The product of its (nonzero) digits is 288000, while the sum is 38.

Adding to 22250054452331 its reverse (13325445005222), we get a palindrome (35575499457553).

The spelling of 22250054452331 in words is "twenty-two trillion, two hundred fifty billion, fifty-four million, four hundred fifty-two thousand, three hundred thirty-one".