22342284 has 96 divisors (see below), whose sum is σ = 62979840. Its totient is φ = 6822144.

The previous prime is 22342283. The next prime is 22342291. The reversal of 22342284 is 48224322.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (22342283) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 78807 + ... + 79089.

It is an arithmetic number, because the mean of its divisors is an integer number (656040).

Almost surely, 2^22342284 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22342284, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31489920).

22342284 is an abundant number, since it is smaller than the sum of its proper divisors (40637556).

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

22342284 is a wasteful number, since it uses less digits than its factorization.

22342284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 356 (or 348 counting only the distinct ones).

The product of its digits is 6144, while the sum is 27.

The square root of 22342284 is about 4726.7625284120. The cubic root of 22342284 is about 281.6496327751.

The spelling of 22342284 in words is "twenty-two million, three hundred forty-two thousand, two hundred eighty-four".