22773072 has 40 divisors (see below), whose sum is σ = 67235776. Its totient is φ = 6506496.

The previous prime is 22773041. The next prime is 22773103. The reversal of 22773072 is 27037722.

It is an interprime number because it is at equal distance from previous prime (22773041) and next prime (22773103).

It is a super-2 number, since 2×22773072² = 1037225616634368, which contains 22 as substring.

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, 33553 + ... + 34224.

Almost surely, 2^22773072 is an apocalyptic number.

It is an amenable number.

22773072 is an abundant number, since it is smaller than the sum of its proper divisors (44462704).

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

22773072 is a wasteful number, since it uses less digits than its factorization.

22773072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67795 (or 67789 counting only the distinct ones).

The product of its (nonzero) digits is 8232, while the sum is 30.

The square root of 22773072 is about 4772.1139969619. The cubic root of 22773072 is about 283.4483107366.

The spelling of 22773072 in words is "twenty-two million, seven hundred seventy-three thousand, seventy-two".