22153452454 has 16 divisors (see below), whose sum is σ = 40211309088. Its totient is φ = 8935846272.

The previous prime is 22153452449. The next prime is 22153452511. The reversal of 22153452454 is 45425435122.

It is a congruent number.

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, 46540629 + ... + 46541104.

It is an arithmetic number, because the mean of its divisors is an integer number (2513206818).

Almost surely, 2^22153452454 is an apocalyptic number.

22153452454 is a deficient number, since it is larger than the sum of its proper divisors (18057856634).

22153452454 is a wasteful number, since it uses less digits than its factorization.

22153452454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93081759.

The product of its digits is 192000, while the sum is 37.

Adding to 22153452454 its reverse (45425435122), we get a palindrome (67578887576).

The spelling of 22153452454 in words is "twenty-two billion, one hundred fifty-three million, four hundred fifty-two thousand, four hundred fifty-four".