224253522 has 56 divisors (see below), whose sum is σ = 518095116. Its totient is φ = 72713376.

The previous prime is 224253521. The next prime is 224253551. The reversal of 224253522 is 225352422.

It can be written as a sum of positive squares in 2 ways, for example, as 214944921 + 9308601 = 14661^2 + 3051^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (224253521) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 51868 + ... + 56024.

Almost surely, 2^224253522 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 224253522, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (259047558).

224253522 is an abundant number, since it is smaller than the sum of its proper divisors (293841594).

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

224253522 is an equidigital number, since it uses as much as digits as its factorization.

224253522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4214 (or 4199 counting only the distinct ones).

The product of its digits is 9600, while the sum is 27.

The square root of 224253522 is about 14975.0967275674. The cubic root of 224253522 is about 607.5468276660.

The spelling of 224253522 in words is "two hundred twenty-four million, two hundred fifty-three thousand, five hundred twenty-two".