22922649 has 16 divisors (see below), whose sum is σ = 34789440. Its totient is φ = 14908320.

The previous prime is 22922639. The next prime is 22922677. The reversal of 22922649 is 94622922.

It is a happy number.

22922649 is a `hidden beast` number, since 2 + 2 + 9 + 2 + 2 + 649 = 666.

It is not a de Polignac number, because 22922649 - 2⁴ = 22922633 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22922639) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9247 + ... + 11460.

It is an arithmetic number, because the mean of its divisors is an integer number (2174340).

Almost surely, 2^22922649 is an apocalyptic number.

It is an amenable number.

22922649 is a deficient number, since it is larger than the sum of its proper divisors (11866791).

22922649 is a wasteful number, since it uses less digits than its factorization.

22922649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20757 (or 20751 counting only the distinct ones).

The product of its digits is 31104, while the sum is 36.

The square root of 22922649 is about 4787.7603323475. The cubic root of 22922649 is about 284.0675341939.

The spelling of 22922649 in words is "twenty-two million, nine hundred twenty-two thousand, six hundred forty-nine".