222340424 has 16 divisors (see below), whose sum is σ = 420172800. Its totient is φ = 110294352.

The previous prime is 222340411. The next prime is 222340429. The reversal of 222340424 is 424043222.

It is a self number, because there is not a number n which added to its sum of digits gives 222340424.

It is not an unprimeable number, because it can be changed into a prime (222340429) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 108404 + ... + 110435.

It is an arithmetic number, because the mean of its divisors is an integer number (26260800).

Almost surely, 2^222340424 is an apocalyptic number.

It is an amenable number.

222340424 is a deficient number, since it is larger than the sum of its proper divisors (197832376).

222340424 is a wasteful number, since it uses less digits than its factorization.

222340424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218972 (or 218968 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 23.

The square root of 222340424 is about 14911.0839310897. The cubic root of 222340424 is about 605.8142386841.

Adding to 222340424 its reverse (424043222), we get a palindrome (646383646).

The spelling of 222340424 in words is "two hundred twenty-two million, three hundred forty thousand, four hundred twenty-four".