22649308 has 12 divisors (see below), whose sum is σ = 43239672. Its totient is φ = 10295120.

The previous prime is 22649299. The next prime is 22649309. The reversal of 22649308 is 80394622.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22649309) 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, 257335 + ... + 257422.

It is an arithmetic number, because the mean of its divisors is an integer number (3603306).

Almost surely, 2^22649308 is an apocalyptic number.

It is an amenable number.

22649308 is a deficient number, since it is larger than the sum of its proper divisors (20590364).

22649308 is a wasteful number, since it uses less digits than its factorization.

22649308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 514772 (or 514770 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 22649308 is about 4759.1289118913. The cubic root of 22649308 is about 282.9338955842.

The spelling of 22649308 in words is "twenty-two million, six hundred forty-nine thousand, three hundred eight".