22250153444 has 12 divisors (see below), whose sum is σ = 38951931564. Its totient is φ = 11121030144.

The previous prime is 22250153381. The next prime is 22250153483. The reversal of 22250153444 is 44435105222.

It can be written as a sum of positive squares in 2 ways, for example, as 21691398400 + 558755044 = 147280^2 + 23638^2 .

It is a super-2 number, since 2×22250153444² (a number of 21 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 22250153444.

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, 999257 + ... + 1021280.

It is an arithmetic number, because the mean of its divisors is an integer number (3245994297).

Almost surely, 2^22250153444 is an apocalyptic number.

It is an amenable number.

22250153444 is a deficient number, since it is larger than the sum of its proper divisors (16701778120).

22250153444 is a wasteful number, since it uses less digits than its factorization.

22250153444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2023294 (or 2023292 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 32.

Adding to 22250153444 its reverse (44435105222), we get a palindrome (66685258666).

The spelling of 22250153444 in words is "twenty-two billion, two hundred fifty million, one hundred fifty-three thousand, four hundred forty-four".