22444131254 has 32 divisors (see below), whose sum is σ = 37570022400. Its totient is φ = 10010394720.

The previous prime is 22444131253. The next prime is 22444131277. The reversal of 22444131254 is 45213144422.

It is a super-2 number, since 2×22444131254² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22444131254.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22444131253) 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, 213884 + ... + 301055.

It is an arithmetic number, because the mean of its divisors is an integer number (1174063200).

Almost surely, 2^22444131254 is an apocalyptic number.

22444131254 is a deficient number, since it is larger than the sum of its proper divisors (15125891146).

22444131254 is a wasteful number, since it uses less digits than its factorization.

22444131254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 515028.

The product of its digits is 30720, while the sum is 32.

Adding to 22444131254 its reverse (45213144422), we get a palindrome (67657275676).

The spelling of 22444131254 in words is "twenty-two billion, four hundred forty-four million, one hundred thirty-one thousand, two hundred fifty-four".