22499067894 has 24 divisors (see below), whose sum is σ = 47800791528. Its totient is φ = 7058530560.

The previous prime is 22499067869. The next prime is 22499067923. The reversal of 22499067894 is 49876099422.

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 11 ways as a sum of consecutive naturals, for example, 6485887 + ... + 6489354.

It is an arithmetic number, because the mean of its divisors is an integer number (1991699647).

Almost surely, 2^22499067894 is an apocalyptic number.

22499067894 is an abundant number, since it is smaller than the sum of its proper divisors (25301723634).

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

22499067894 is a wasteful number, since it uses less digits than its factorization.

22499067894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12975280 (or 12975263 counting only the distinct ones).

The product of its (nonzero) digits is 15676416, while the sum is 60.

The spelling of 22499067894 in words is "twenty-two billion, four hundred ninety-nine million, sixty-seven thousand, eight hundred ninety-four".