22877772 has 12 divisors (see below), whose sum is σ = 53381496. Its totient is φ = 7625920.

The previous prime is 22877761. The next prime is 22877791. The reversal of 22877772 is 27777822.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 953229 + ... + 953252.

It is an arithmetic number, because the mean of its divisors is an integer number (4448458).

Almost surely, 2^22877772 is an apocalyptic number.

It is an amenable number.

22877772 is an abundant number, since it is smaller than the sum of its proper divisors (30503724).

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

22877772 is a wasteful number, since it uses less digits than its factorization.

22877772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1906488 (or 1906486 counting only the distinct ones).

The product of its digits is 153664, while the sum is 42.

The square root of 22877772 is about 4783.0713981708. The cubic root of 22877772 is about 283.8820345887.

The spelling of 22877772 in words is "twenty-two million, eight hundred seventy-seven thousand, seven hundred seventy-two".