22657930 has 8 divisors (see below), whose sum is σ = 40784292. Its totient is φ = 9063168.

The previous prime is 22657927. The next prime is 22657933. The reversal of 22657930 is 3975622.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (22657927) and next prime (22657933).

It can be written as a sum of positive squares in 2 ways, for example, as 22458121 + 199809 = 4739^2 + 447^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (22657933) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1132887 + ... + 1132906.

Almost surely, 2^22657930 is an apocalyptic number.

22657930 is a deficient number, since it is larger than the sum of its proper divisors (18126362).

22657930 is a wasteful number, since it uses less digits than its factorization.

22657930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2265800.

The product of its (nonzero) digits is 22680, while the sum is 34.

The square root of 22657930 is about 4760.0346637393. The cubic root of 22657930 is about 282.9697928777.

The spelling of 22657930 in words is "twenty-two million, six hundred fifty-seven thousand, nine hundred thirty".