22284120 has 64 divisors (see below), whose sum is σ = 67223520. Its totient is φ = 5909504.

The previous prime is 22284113. The next prime is 22284137. The reversal of 22284120 is 2148222.

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 15 ways as a sum of consecutive naturals, for example, 27562 + ... + 28358.

Almost surely, 2^22284120 is an apocalyptic number.

22284120 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 22284120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33611760).

22284120 is an abundant number, since it is smaller than the sum of its proper divisors (44939400).

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

22284120 is a wasteful number, since it uses less digits than its factorization.

22284120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1044 (or 1040 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

The square root of 22284120 is about 4720.6058933150. The cubic root of 22284120 is about 281.4050128196.

The spelling of 22284120 in words is "twenty-two million, two hundred eighty-four thousand, one hundred twenty".