22546315494 has 80 divisors (see below), whose sum is σ = 52018376256. Its totient is φ = 7294492800.

The previous prime is 22546315489. The next prime is 22546315511. The reversal of 22546315494 is 49451364522.

22546315494 is a `hidden beast` number, since 2 + 2 + 5 + 4 + 631 + 5 + 4 + 9 + 4 = 666.

It is a super-3 number, since 3×22546315494³ (a number of 32 digits) contains 333 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 (23) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1299859 + ... + 1317089.

Almost surely, 2^22546315494 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22546315494, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26009188128).

22546315494 is an abundant number, since it is smaller than the sum of its proper divisors (29472060762).

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

22546315494 is a wasteful number, since it uses less digits than its factorization.

22546315494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17483 (or 17474 counting only the distinct ones).

The product of its digits is 1036800, while the sum is 45.

The spelling of 22546315494 in words is "twenty-two billion, five hundred forty-six million, three hundred fifteen thousand, four hundred ninety-four".