22942730 has 24 divisors (see below), whose sum is σ = 43180452. Its totient is φ = 8776064.

The previous prime is 22942723. The next prime is 22942763. The reversal of 22942730 is 3724922.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 19298449 + 3644281 = 4393^2 + 1909^2 .

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 22942693 and 22942702.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3122 + ... + 7458.

Almost surely, 2^22942730 is an apocalyptic number.

22942730 is a deficient number, since it is larger than the sum of its proper divisors (20237722).

22942730 is a wasteful number, since it uses less digits than its factorization.

22942730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4390 (or 4367 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 22942730 is about 4789.8569916022. The cubic root of 22942730 is about 284.1504608404.

The spelling of 22942730 in words is "twenty-two million, nine hundred forty-two thousand, seven hundred thirty".