220022224 has 10 divisors (see below), whose sum is σ = 426293090. Its totient is φ = 110011104.

The previous prime is 220022207. The next prime is 220022233. The reversal of 220022224 is 422220022.

It can be written as a sum of positive squares in only one way, i.e., 202549824 + 17472400 = 14232^2 + 4180^2 .

It is a Harshad number since it is a multiple of its sum of digits (16), and also a Moran number because the ratio is a prime number: 13751389 = 220022224 / (2 + 2 + 0 + 0 + 2 + 2 + 2 + 2 + 4).

It is a junction number, because it is equal to n+sod(n) for n = 220022198 and 220022207.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6875679 + ... + 6875710.

It is an arithmetic number, because the mean of its divisors is an integer number (42629309).

Almost surely, 2^220022224 is an apocalyptic number.

It is an amenable number.

220022224 is a deficient number, since it is larger than the sum of its proper divisors (206270866).

220022224 is a wasteful number, since it uses less digits than its factorization.

220022224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13751397 (or 13751391 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 16.

The square root of 220022224 is about 14833.1461261595. The cubic root of 220022224 is about 603.7014005835.

Adding to 220022224 its reverse (422220022), we get a palindrome (642242246).

The spelling of 220022224 in words is "two hundred twenty million, twenty-two thousand, two hundred twenty-four".