222748488 has 64 divisors (see below), whose sum is σ = 625752000. Its totient is φ = 73408896.

The previous prime is 222748483. The next prime is 222748489. The reversal of 222748488 is 884847222.

It is a super-2 number, since 2×222748488² = 99233777812572288, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (222748483) 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, 13431 + ... + 25017.

It is an arithmetic number, because the mean of its divisors is an integer number (9777375).

Almost surely, 2^222748488 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 222748488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (312876000).

222748488 is an abundant number, since it is smaller than the sum of its proper divisors (403003512).

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

222748488 is a wasteful number, since it uses less digits than its factorization.

222748488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11691 (or 11681 counting only the distinct ones).

The product of its digits is 458752, while the sum is 45.

The square root of 222748488 is about 14924.7609026075. The cubic root of 222748488 is about 606.1846315179.

The spelling of 222748488 in words is "two hundred twenty-two million, seven hundred forty-eight thousand, four hundred eighty-eight".