22281260 has 12 divisors (see below), whose sum is σ = 46790688. Its totient is φ = 8912496.

The previous prime is 22281257. The next prime is 22281263. The reversal of 22281260 is 6218222.

It is an interprime number because it is at equal distance from previous prime (22281257) and next prime (22281263).

It is a hoax number, since the sum of its digits (23) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (22281263) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 557012 + ... + 557051.

It is an arithmetic number, because the mean of its divisors is an integer number (3899224).

Almost surely, 2^22281260 is an apocalyptic number.

22281260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22281260 is an abundant number, since it is smaller than the sum of its proper divisors (24509428).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22281260 is a wasteful number, since it uses less digits than its factorization.

22281260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1114072 (or 1114070 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 22281260 is about 4720.3029563790. The cubic root of 22281260 is about 281.3929735622.

Adding to 22281260 its reverse (6218222), we get a palindrome (28499482).

The spelling of 22281260 in words is "twenty-two million, two hundred eighty-one thousand, two hundred sixty".