222642430 has 16 divisors (see below), whose sum is σ = 403914240. Its totient is φ = 88355232.

The previous prime is 222642401. The next prime is 222642449. The reversal of 222642430 is 34246222.

222642430 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 222642395 and 222642404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86385 + ... + 88924.

It is an arithmetic number, because the mean of its divisors is an integer number (25244640).

Almost surely, 2^222642430 is an apocalyptic number.

222642430 is a deficient number, since it is larger than the sum of its proper divisors (181271810).

222642430 is a wasteful number, since it uses less digits than its factorization.

222642430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175443.

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 222642430 is about 14921.2073908246. The cubic root of 222642430 is about 606.0884079900.

Adding to 222642430 its reverse (34246222), we get a palindrome (256888652).

The spelling of 222642430 in words is "two hundred twenty-two million, six hundred forty-two thousand, four hundred thirty".