22255670 has 8 divisors (see below), whose sum is σ = 40060224. Its totient is φ = 8902264.

The previous prime is 22255657. The next prime is 22255687. The reversal of 22255670 is 7655222.

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

It is a congruent number.

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, 1112774 + ... + 1112793.

It is an arithmetic number, because the mean of its divisors is an integer number (5007528).

Almost surely, 2^22255670 is an apocalyptic number.

22255670 is a deficient number, since it is larger than the sum of its proper divisors (17804554).

22255670 is a wasteful number, since it uses less digits than its factorization.

22255670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2225574.

The product of its (nonzero) digits is 8400, while the sum is 29.

The square root of 22255670 is about 4717.5915465415. The cubic root of 22255670 is about 281.2852057987.

The spelling of 22255670 in words is "twenty-two million, two hundred fifty-five thousand, six hundred seventy".