22288995 has 48 divisors (see below), whose sum is σ = 41184000. Its totient is φ = 11119680.

The previous prime is 22288993. The next prime is 22288999. The reversal of 22288995 is 59988222.

It is not a de Polignac number, because 22288995 - 2¹ = 22288993 is a prime.

It is a super-2 number, since 2×22288995² = 993598596220050, which contains 22 as substring.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

Its product of digits (207360) is a multiple of the sum of its prime factors (360).

It is a self number, because there is not a number n which added to its sum of digits gives 22288995.

It is not an unprimeable number, because it can be changed into a prime (22288993) 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 47 ways as a sum of consecutive naturals, for example, 111906 + ... + 112104.

It is an arithmetic number, because the mean of its divisors is an integer number (858000).

Almost surely, 2^22288995 is an apocalyptic number.

22288995 is a deficient number, since it is larger than the sum of its proper divisors (18895005).

22288995 is a wasteful number, since it uses less digits than its factorization.

22288995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 360 (or 357 counting only the distinct ones).

The product of its digits is 207360, while the sum is 45.

The square root of 22288995 is about 4721.1222182867. The cubic root of 22288995 is about 281.4255319069.

The spelling of 22288995 in words is "twenty-two million, two hundred eighty-eight thousand, nine hundred ninety-five".