22384220 has 24 divisors (see below), whose sum is σ = 48009024. Its totient is φ = 8762816.

The previous prime is 22384217. The next prime is 22384247. The reversal of 22384220 is 2248322.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10967 + ... + 12846.

It is an arithmetic number, because the mean of its divisors is an integer number (2000376).

Almost surely, 2^22384220 is an apocalyptic number.

22384220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22384220 is an abundant number, since it is smaller than the sum of its proper divisors (25624804).

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

22384220 is a wasteful number, since it uses less digits than its factorization.

22384220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23869 (or 23867 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 22384220 is about 4731.1964660115. The cubic root of 22384220 is about 281.8257394624.

The spelling of 22384220 in words is "twenty-two million, three hundred eighty-four thousand, two hundred twenty".