224919522 has 48 divisors (see below), whose sum is σ = 512766072. Its totient is φ = 71159040.

The previous prime is 224919509. The next prime is 224919547. The reversal of 224919522 is 225919422.

It can be written as a sum of positive squares in 4 ways, for example, as 194017041 + 30902481 = 13929^2 + 5559^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23188 + ... + 31424.

Almost surely, 2^224919522 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 224919522, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (256383036).

224919522 is an abundant number, since it is smaller than the sum of its proper divisors (287846550).

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

224919522 is a wasteful number, since it uses less digits than its factorization.

224919522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8323 (or 8320 counting only the distinct ones).

The product of its digits is 25920, while the sum is 36.

The square root of 224919522 is about 14997.3171600790. The cubic root of 224919522 is about 608.1476748428.

The spelling of 224919522 in words is "two hundred twenty-four million, nine hundred nineteen thousand, five hundred twenty-two".