22720093494 has 32 divisors (see below), whose sum is σ = 51937307136. Its totient is φ = 6490747200.

The previous prime is 22720093483. The next prime is 22720093511. The reversal of 22720093494 is 49439002722.

It is a super-2 number, since 2×22720093494² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 452914 + ... + 500570.

It is an arithmetic number, because the mean of its divisors is an integer number (1623040848).

Almost surely, 2^22720093494 is an apocalyptic number.

22720093494 is an abundant number, since it is smaller than the sum of its proper divisors (29217213642).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22720093494 is a wasteful number, since it uses less digits than its factorization.

22720093494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59020.

The product of its (nonzero) digits is 217728, while the sum is 42.

The spelling of 22720093494 in words is "twenty-two billion, seven hundred twenty million, ninety-three thousand, four hundred ninety-four".