22266870 has 16 divisors (see below), whose sum is σ = 53440560. Its totient is φ = 5937824.

The previous prime is 22266863. The next prime is 22266901. The reversal of 22266870 is 7866222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 371085 + ... + 371144.

It is an arithmetic number, because the mean of its divisors is an integer number (3340035).

Almost surely, 2^22266870 is an apocalyptic number.

22266870 is an abundant number, since it is smaller than the sum of its proper divisors (31173690).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22266870 is a wasteful number, since it uses less digits than its factorization.

22266870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 742239.

The product of its (nonzero) digits is 16128, while the sum is 33.

The square root of 22266870 is about 4718.7784436229. The cubic root of 22266870 is about 281.3323827799.

The spelling of 22266870 in words is "twenty-two million, two hundred sixty-six thousand, eight hundred seventy".