22628722 has 8 divisors (see below), whose sum is σ = 34093296. Its totient is φ = 11264292.

The previous prime is 22628713. The next prime is 22628731. The reversal of 22628722 is 22782622.

It is an interprime number because it is at equal distance from previous prime (22628713) and next prime (22628731).

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24468 + ... + 25375.

It is an arithmetic number, because the mean of its divisors is an integer number (4261662).

Almost surely, 2^22628722 is an apocalyptic number.

22628722 is a deficient number, since it is larger than the sum of its proper divisors (11464574).

22628722 is a wasteful number, since it uses less digits than its factorization.

22628722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50072.

The product of its digits is 10752, while the sum is 31.

The square root of 22628722 is about 4756.9656294743. The cubic root of 22628722 is about 282.8481498785.

The spelling of 22628722 in words is "twenty-two million, six hundred twenty-eight thousand, seven hundred twenty-two".