22286642 has 16 divisors (see below), whose sum is σ = 39095232. Its totient is φ = 9329040.

The previous prime is 22286603. The next prime is 22286689. The reversal of 22286642 is 24668222.

It is a junction number, because it is equal to n+sod(n) for n = 22286599 and 22286608.

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, 17909 + ... + 19112.

It is an arithmetic number, because the mean of its divisors is an integer number (2443452).

Almost surely, 2^22286642 is an apocalyptic number.

22286642 is a deficient number, since it is larger than the sum of its proper divisors (16808590).

22286642 is a wasteful number, since it uses less digits than its factorization.

22286642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37073.

The product of its digits is 18432, while the sum is 32.

The square root of 22286642 is about 4720.8730124840. The cubic root of 22286642 is about 281.4156284010.

The spelling of 22286642 in words is "twenty-two million, two hundred eighty-six thousand, six hundred forty-two".