22248860 has 24 divisors (see below), whose sum is σ = 47718720. Its totient is φ = 8709824.

The previous prime is 22248857. The next prime is 22248871. The reversal of 22248860 is 6884222.

It is a happy number.

It is a congruent number.

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, 10895 + ... + 12774.

It is an arithmetic number, because the mean of its divisors is an integer number (1988280).

Almost surely, 2^22248860 is an apocalyptic number.

22248860 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22248860 is an abundant number, since it is smaller than the sum of its proper divisors (25469860).

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

22248860 is a wasteful number, since it uses less digits than its factorization.

22248860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23725 (or 23723 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 32.

The square root of 22248860 is about 4716.8697247221. The cubic root of 22248860 is about 281.2565127710.

The spelling of 22248860 in words is "twenty-two million, two hundred forty-eight thousand, eight hundred sixty".