22249901816 has 32 divisors (see below), whose sum is σ = 44013542400. Its totient is φ = 10515604320.

The previous prime is 22249901753. The next prime is 22249901827. The reversal of 22249901816 is 61810994222.

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, 97880 + ... + 232551.

It is an arithmetic number, because the mean of its divisors is an integer number (1375423200).

Almost surely, 2^22249901816 is an apocalyptic number.

It is an amenable number.

22249901816 is a deficient number, since it is larger than the sum of its proper divisors (21763640584).

22249901816 is a wasteful number, since it uses less digits than its factorization.

22249901816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 330899 (or 330895 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 44.

The spelling of 22249901816 in words is "twenty-two billion, two hundred forty-nine million, nine hundred one thousand, eight hundred sixteen".