224145222 has 32 divisors (see below), whose sum is σ = 513153792. Its totient is φ = 63938784.

The previous prime is 224145211. The next prime is 224145239. The reversal of 224145222 is 222541422.

It is a junction number, because it is equal to n+sod(n) for n = 224145192 and 224145201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24493 + ... + 32375.

It is an arithmetic number, because the mean of its divisors is an integer number (16036056).

Almost surely, 2^224145222 is an apocalyptic number.

224145222 is an abundant number, since it is smaller than the sum of its proper divisors (289008570).

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

224145222 is a wasteful number, since it uses less digits than its factorization.

224145222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8572.

The product of its digits is 2560, while the sum is 24.

The square root of 224145222 is about 14971.4802875334. The cubic root of 224145222 is about 607.4490099288.

Adding to 224145222 its reverse (222541422), we get a palindrome (446686644).

The spelling of 224145222 in words is "two hundred twenty-four million, one hundred forty-five thousand, two hundred twenty-two".