222724488 has 64 divisors (see below), whose sum is σ = 639112320. Its totient is φ = 63360000.

The previous prime is 222724487. The next prime is 222724499. The reversal of 222724488 is 884427222.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (222724483) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37738 + ... + 43238.

It is an arithmetic number, because the mean of its divisors is an integer number (9986130).

Almost surely, 2^222724488 is an apocalyptic number.

222724488 is a gapful number since it is divisible by the number (28) 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 222724488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (319556160).

222724488 is an abundant number, since it is smaller than the sum of its proper divisors (416387832).

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

222724488 is a wasteful number, since it uses less digits than its factorization.

222724488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5758 (or 5754 counting only the distinct ones).

The product of its digits is 114688, while the sum is 39.

The square root of 222724488 is about 14923.9568479676. The cubic root of 222724488 is about 606.1628596474.

The spelling of 222724488 in words is "two hundred twenty-two million, seven hundred twenty-four thousand, four hundred eighty-eight".