22431200441255 has 4 divisors (see below), whose sum is σ = 26917440529512. Its totient is φ = 17944960353000.

The previous prime is 22431200441239. The next prime is 22431200441261. The reversal of 22431200441255 is 55214400213422.

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

It is not a de Polignac number, because 22431200441255 - 2⁴ = 22431200441239 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2243120044121 + ... + 2243120044130.

It is an arithmetic number, because the mean of its divisors is an integer number (6729360132378).

Almost surely, 2^{22431200441255} is an apocalyptic number.

22431200441255 is a deficient number, since it is larger than the sum of its proper divisors (4486240088257).

22431200441255 is an equidigital number, since it uses as much as digits as its factorization.

22431200441255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4486240088256.

The product of its (nonzero) digits is 76800, while the sum is 35.

Adding to 22431200441255 its reverse (55214400213422), we get a palindrome (77645600654677).

The spelling of 22431200441255 in words is "twenty-two trillion, four hundred thirty-one billion, two hundred million, four hundred forty-one thousand, two hundred fifty-five".