22071748 has 12 divisors (see below), whose sum is σ = 38665900. Its totient is φ = 11024352.

The previous prime is 22071739. The next prime is 22071773. The reversal of 22071748 is 84717022.

It can be written as a sum of positive squares in 2 ways, for example, as 7387524 + 14684224 = 2718^2 + 3832^2 .

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

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, 2578 + ... + 7126.

Almost surely, 2^22071748 is an apocalyptic number.

It is an amenable number.

22071748 is a deficient number, since it is larger than the sum of its proper divisors (16594152).

22071748 is a wasteful number, since it uses less digits than its factorization.

22071748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5766 (or 5764 counting only the distinct ones).

The product of its (nonzero) digits is 6272, while the sum is 31.

The square root of 22071748 is about 4698.0578966207. The cubic root of 22071748 is about 280.5082096769.

The spelling of 22071748 in words is "twenty-two million, seventy-one thousand, seven hundred forty-eight".