22265859 has 32 divisors (see below), whose sum is σ = 37384704. Its totient is φ = 11450880.

The previous prime is 22265857. The next prime is 22265861. The reversal of 22265859 is 95856222.

It is an interprime number because it is at equal distance from previous prime (22265857) and next prime (22265861).

It is not a de Polignac number, because 22265859 - 2¹ = 22265857 is a prime.

It is a super-4 number, since 4×22265859⁴ (a number of 30 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (22265857) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25677 + ... + 26529.

It is an arithmetic number, because the mean of its divisors is an integer number (1168272).

Almost surely, 2^22265859 is an apocalyptic number.

22265859 is a deficient number, since it is larger than the sum of its proper divisors (15118845).

22265859 is a wasteful number, since it uses less digits than its factorization.

22265859 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 987.

The product of its digits is 86400, while the sum is 39.

The square root of 22265859 is about 4718.6713172248. The cubic root of 22265859 is about 281.3281248646.

The spelling of 22265859 in words is "twenty-two million, two hundred sixty-five thousand, eight hundred fifty-nine".