22491242854 has 16 divisors (see below), whose sum is σ = 35038656000. Its totient is φ = 10819801864.

The previous prime is 22491242831. The next prime is 22491242861. The reversal of 22491242854 is 45824219422.

It is a self number, because there is not a number n which added to its sum of digits gives 22491242854.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2022154 + ... + 2033245.

It is an arithmetic number, because the mean of its divisors is an integer number (2189916000).

Almost surely, 2^22491242854 is an apocalyptic number.

22491242854 is a deficient number, since it is larger than the sum of its proper divisors (12547413146).

22491242854 is a wasteful number, since it uses less digits than its factorization.

22491242854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4055507.

The product of its digits is 368640, while the sum is 43.

The spelling of 22491242854 in words is "twenty-two billion, four hundred ninety-one million, two hundred forty-two thousand, eight hundred fifty-four".