22454321090 has 32 divisors (see below), whose sum is σ = 42185235456. Its totient is φ = 8589148480.

The previous prime is 22454321069. The next prime is 22454321101. The reversal of 22454321090 is 9012345422.

It is a super-2 number, since 2×22454321090² (a number of 22 digits) contains 22 as substring.

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, 1228559 + ... + 1246701.

It is an arithmetic number, because the mean of its divisors is an integer number (1318288608).

Almost surely, 2^22454321090 is an apocalyptic number.

22454321090 is a deficient number, since it is larger than the sum of its proper divisors (19730914366).

22454321090 is a wasteful number, since it uses less digits than its factorization.

22454321090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23554.

The product of its (nonzero) digits is 17280, while the sum is 32.

The spelling of 22454321090 in words is "twenty-two billion, four hundred fifty-four million, three hundred twenty-one thousand, ninety".