22817420454 has 32 divisors (see below), whose sum is σ = 48512309760. Its totient is φ = 7134156000.

The previous prime is 22817420447. The next prime is 22817420501. The reversal of 22817420454 is 45402471822.

It is a super-2 number, since 2×22817420454² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 979342 + ... + 1002369.

It is an arithmetic number, because the mean of its divisors is an integer number (1516009680).

Almost surely, 2^22817420454 is an apocalyptic number.

22817420454 is an abundant number, since it is smaller than the sum of its proper divisors (25694889306).

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

22817420454 is a wasteful number, since it uses less digits than its factorization.

22817420454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1981836.

The product of its (nonzero) digits is 143360, while the sum is 39.

The spelling of 22817420454 in words is "twenty-two billion, eight hundred seventeen million, four hundred twenty thousand, four hundred fifty-four".