44222013431 has 6 divisors (see below), whose sum is σ = 45274350960. Its totient is φ = 43193592708.

The previous prime is 44222013421. The next prime is 44222013443. The reversal of 44222013431 is 13431022244.

It is not a de Polignac number, because 44222013431 - 2²² = 44217819127 is a prime.

It is a super-2 number, since 2×44222013431² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 44222013431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44222013401) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11956511 + ... + 11960208.

It is an arithmetic number, because the mean of its divisors is an integer number (7545725160).

Almost surely, 2^44222013431 is an apocalyptic number.

44222013431 is a deficient number, since it is larger than the sum of its proper divisors (1052337529).

44222013431 is an equidigital number, since it uses as much as digits as its factorization.

44222013431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23916805 (or 23916762 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 44222013431 its reverse (13431022244), we get a palindrome (57653035675).

The spelling of 44222013431 in words is "forty-four billion, two hundred twenty-two million, thirteen thousand, four hundred thirty-one".