22261768 has 32 divisors (see below), whose sum is σ = 44251200. Its totient is φ = 10469952.

The previous prime is 22261741. The next prime is 22261783. The reversal of 22261768 is 86716222.

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, 24946 + ... + 25822.

It is an arithmetic number, because the mean of its divisors is an integer number (1382850).

Almost surely, 2^22261768 is an apocalyptic number.

It is an amenable number.

22261768 is a deficient number, since it is larger than the sum of its proper divisors (21989432).

22261768 is a wasteful number, since it uses less digits than its factorization.

22261768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1069 (or 1065 counting only the distinct ones).

The product of its digits is 16128, while the sum is 34.

The square root of 22261768 is about 4718.2378066393. The cubic root of 22261768 is about 281.3108939424.

The spelling of 22261768 in words is "twenty-two million, two hundred sixty-one thousand, seven hundred sixty-eight".