220222224 has 60 divisors (see below), whose sum is σ = 632988876. Its totient is φ = 71421696.

The previous prime is 220222181. The next prime is 220222231. The reversal of 220222224 is 422222022.

It is a happy number.

220222224 is a `hidden beast` number, since 220 + 222 + 224 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 203575824 + 16646400 = 14268^2 + 4080^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 220222197 and 220222206.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15339 + ... + 25994.

Almost surely, 2^220222224 is an apocalyptic number.

220222224 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

220222224 is an abundant number, since it is smaller than the sum of its proper divisors (412766652).

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

220222224 is a wasteful number, since it uses less digits than its factorization.

220222224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41384 (or 41375 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 18.

The square root of 220222224 is about 14839.8862529333. The cubic root of 220222224 is about 603.8842665263.

Adding to 220222224 its reverse (422222022), we get a palindrome (642444246).

The spelling of 220222224 in words is "two hundred twenty million, two hundred twenty-two thousand, two hundred twenty-four".