22398264 has 96 divisors (see below), whose sum is σ = 73008000. Its totient is φ = 6060096.

The previous prime is 22398263. The next prime is 22398289. The reversal of 22398264 is 46289322.

22398264 is a `hidden beast` number, since 2 + 2 + 398 + 264 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22398263) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8407 + ... + 10745.

It is an arithmetic number, because the mean of its divisors is an integer number (760500).

Almost surely, 2^22398264 is an apocalyptic number.

22398264 is a gapful number since it is divisible by the number (24) 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 22398264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36504000).

22398264 is an abundant number, since it is smaller than the sum of its proper divisors (50609736).

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

22398264 is a wasteful number, since it uses less digits than its factorization.

22398264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2377 (or 2370 counting only the distinct ones).

The product of its digits is 41472, while the sum is 36.

The square root of 22398264 is about 4732.6804244529. The cubic root of 22398264 is about 281.8846668858.

The spelling of 22398264 in words is "twenty-two million, three hundred ninety-eight thousand, two hundred sixty-four".