22198260 has 96 divisors (see below), whose sum is σ = 75237120. Its totient is φ = 4773888.

The previous prime is 22198259. The next prime is 22198271. The reversal of 22198260 is 6289122.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5586 + ... + 8694.

It is an arithmetic number, because the mean of its divisors is an integer number (783720).

Almost surely, 2^22198260 is an apocalyptic number.

22198260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22198260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37618560).

22198260 is an abundant number, since it is smaller than the sum of its proper divisors (53038860).

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

22198260 is a wasteful number, since it uses less digits than its factorization.

22198260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3145 (or 3143 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 22198260 is about 4711.5029449211. The cubic root of 22198260 is about 281.0431328190.

The spelling of 22198260 in words is "twenty-two million, one hundred ninety-eight thousand, two hundred sixty".