22651268 has 12 divisors (see below), whose sum is σ = 41726160. Its totient is φ = 10729512.

The previous prime is 22651267. The next prime is 22651271. The reversal of 22651268 is 86215622.

It is not an unprimeable number, because it can be changed into a prime (22651261) 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, 148946 + ... + 149097.

It is an arithmetic number, because the mean of its divisors is an integer number (3477180).

Almost surely, 2^22651268 is an apocalyptic number.

It is an amenable number.

22651268 is a deficient number, since it is larger than the sum of its proper divisors (19074892).

22651268 is a wasteful number, since it uses less digits than its factorization.

22651268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298066 (or 298064 counting only the distinct ones).

The product of its digits is 11520, while the sum is 32.

The square root of 22651268 is about 4759.3348274733. The cubic root of 22651268 is about 282.9420567525.

The spelling of 22651268 in words is "twenty-two million, six hundred fifty-one thousand, two hundred sixty-eight".