22040144432 has 10 divisors (see below), whose sum is σ = 42702779868. Its totient is φ = 11020072208.

The previous prime is 22040144429. The next prime is 22040144437. The reversal of 22040144432 is 23444104022.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (22040144437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 688754498 + ... + 688754529.

Almost surely, 2^22040144432 is an apocalyptic number.

It is an amenable number.

22040144432 is a deficient number, since it is larger than the sum of its proper divisors (20662635436).

22040144432 is a wasteful number, since it uses less digits than its factorization.

22040144432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1377509035 (or 1377509029 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 26.

Adding to 22040144432 its reverse (23444104022), we get a palindrome (45484248454).

The spelling of 22040144432 in words is "twenty-two billion, forty million, one hundred forty-four thousand, four hundred thirty-two".