15222984 has 128 divisors (see below), whose sum is σ = 46694400. Its totient is φ = 4043520.

The previous prime is 15222983. The next prime is 15223027. The reversal of 15222984 is 48922251.

It is not an unprimeable number, because it can be changed into a prime (15222983) 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, 192657 + ... + 192735.

It is an arithmetic number, because the mean of its divisors is an integer number (364800).

Almost surely, 2^15222984 is an apocalyptic number.

15222984 is a gapful number since it is divisible by the number (14) 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 15222984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23347200).

15222984 is an abundant number, since it is smaller than the sum of its proper divisors (31471416).

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

15222984 is a wasteful number, since it uses less digits than its factorization.

15222984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163 (or 159 counting only the distinct ones).

The product of its digits is 11520, while the sum is 33.

The square root of 15222984 is about 3901.6642602869. The cubic root of 15222984 is about 247.8372588216.

The spelling of 15222984 in words is "fifteen million, two hundred twenty-two thousand, nine hundred eighty-four".