22984220 has 24 divisors (see below), whose sum is σ = 55162464. Its totient is φ = 7880256.

The previous prime is 22984219. The next prime is 22984223. The reversal of 22984220 is 2248922.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22984223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81947 + ... + 82226.

It is an arithmetic number, because the mean of its divisors is an integer number (2298436).

Almost surely, 2^22984220 is an apocalyptic number.

22984220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22984220 is an abundant number, since it is smaller than the sum of its proper divisors (32178244).

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

22984220 is a wasteful number, since it uses less digits than its factorization.

22984220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164189 (or 164187 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 22984220 is about 4794.1860623050. The cubic root of 22984220 is about 284.3216451042.

The spelling of 22984220 in words is "twenty-two million, nine hundred eighty-four thousand, two hundred twenty".