22288965 has 16 divisors (see below), whose sum is σ = 36892800. Its totient is φ = 11477312.

The previous prime is 22288963. The next prime is 22288967. The reversal of 22288965 is 56988222.

It is an interprime number because it is at equal distance from previous prime (22288963) and next prime (22288967).

It is a cyclic number.

It is not a de Polignac number, because 22288965 - 2¹ = 22288963 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22288963) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25185 + ... + 26054.

It is an arithmetic number, because the mean of its divisors is an integer number (2305800).

Almost surely, 2^22288965 is an apocalyptic number.

It is an amenable number.

22288965 is a deficient number, since it is larger than the sum of its proper divisors (14603835).

22288965 is a wasteful number, since it uses less digits than its factorization.

22288965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51276.

The product of its digits is 138240, while the sum is 42.

The square root of 22288965 is about 4721.1190410749. The cubic root of 22288965 is about 281.4254056447.

The spelling of 22288965 in words is "twenty-two million, two hundred eighty-eight thousand, nine hundred sixty-five".