224243522 has 8 divisors (see below), whose sum is σ = 347215872. Its totient is φ = 108504900.

The previous prime is 224243479. The next prime is 224243597. The reversal of 224243522 is 225342422.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 224243491 and 224243500.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1808354 + ... + 1808477.

It is an arithmetic number, because the mean of its divisors is an integer number (43401984).

Almost surely, 2^224243522 is an apocalyptic number.

224243522 is a deficient number, since it is larger than the sum of its proper divisors (122972350).

224243522 is a wasteful number, since it uses less digits than its factorization.

224243522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3616864.

The product of its digits is 7680, while the sum is 26.

The square root of 224243522 is about 14974.7628361854. The cubic root of 224243522 is about 607.5377968772.

Adding to 224243522 its reverse (225342422), we get a palindrome (449585944).

The spelling of 224243522 in words is "two hundred twenty-four million, two hundred forty-three thousand, five hundred twenty-two".