23222431144 has 32 divisors (see below), whose sum is σ = 47515053600. Its totient is φ = 10552400320.

The previous prime is 23222431139. The next prime is 23222431157. The reversal of 23222431144 is 44113422232.

It is a super-2 number, since 2×23222431144² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 259299 + ... + 337165.

It is an arithmetic number, because the mean of its divisors is an integer number (1484845425).

Almost surely, 2^23222431144 is an apocalyptic number.

It is an amenable number.

23222431144 is an abundant number, since it is smaller than the sum of its proper divisors (24292622456).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23222431144 is a wasteful number, since it uses less digits than its factorization.

23222431144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81273 (or 81269 counting only the distinct ones).

The product of its digits is 9216, while the sum is 28.

Adding to 23222431144 its reverse (44113422232), we get a palindrome (67335853376).

The spelling of 23222431144 in words is "twenty-three billion, two hundred twenty-two million, four hundred thirty-one thousand, one hundred forty-four".