22221231454 has 32 divisors (see below), whose sum is σ = 37521921600. Its totient is φ = 9813652992.

The previous prime is 22221231449. The next prime is 22221231479. The reversal of 22221231454 is 45413212222.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 226629 + ... + 309520.

It is an arithmetic number, because the mean of its divisors is an integer number (1172560050).

Almost surely, 2^22221231454 is an apocalyptic number.

22221231454 is a deficient number, since it is larger than the sum of its proper divisors (15300690146).

22221231454 is a wasteful number, since it uses less digits than its factorization.

22221231454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 536244.

The product of its digits is 7680, while the sum is 28.

Adding to 22221231454 its reverse (45413212222), we get a palindrome (67634443676).

The spelling of 22221231454 in words is "twenty-two billion, two hundred twenty-one million, two hundred thirty-one thousand, four hundred fifty-four".