22285770 has 32 divisors (see below), whose sum is σ = 57601152. Its totient is φ = 5485632.

The previous prime is 22285763. The next prime is 22285771. The reversal of 22285770 is 7758222.

It is not an unprimeable number, because it can be changed into a prime (22285771) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28182 + ... + 28961.

It is an arithmetic number, because the mean of its divisors is an integer number (1800036).

Almost surely, 2^22285770 is an apocalyptic number.

22285770 is an abundant number, since it is smaller than the sum of its proper divisors (35315382).

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

22285770 is a wasteful number, since it uses less digits than its factorization.

22285770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57166.

The product of its (nonzero) digits is 15680, while the sum is 33.

The square root of 22285770 is about 4720.7806557814. The cubic root of 22285770 is about 281.4119580764.

The spelling of 22285770 in words is "twenty-two million, two hundred eighty-five thousand, seven hundred seventy".