222475424 has 12 divisors (see below), whose sum is σ = 437998554. Its totient is φ = 111237696.

The previous prime is 222475423. The next prime is 222475439. The reversal of 222475424 is 424574222.

It can be written as a sum of positive squares in only one way, i.e., 171610000 + 50865424 = 13100^2 + 7132^2 .

It is a Harshad number since it is a multiple of its sum of digits (32), and also a Moran number because the ratio is a prime number: 6952357 = 222475424 / (2 + 2 + 2 + 4 + 7 + 5 + 4 + 2 + 4).

It is not an unprimeable number, because it can be changed into a prime (222475423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3476147 + ... + 3476210.

Almost surely, 2^222475424 is an apocalyptic number.

It is an amenable number.

222475424 is a deficient number, since it is larger than the sum of its proper divisors (215523130).

222475424 is an equidigital number, since it uses as much as digits as its factorization.

222475424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6952367 (or 6952359 counting only the distinct ones).

The product of its digits is 35840, while the sum is 32.

The square root of 222475424 is about 14915.6100780357. The cubic root of 222475424 is about 605.9368260417.

The spelling of 222475424 in words is "two hundred twenty-two million, four hundred seventy-five thousand, four hundred twenty-four".