222420235 has 16 divisors (see below), whose sum is σ = 282675456. Its totient is φ = 167653728.

The previous prime is 222420217. The next prime is 222420241. The reversal of 222420235 is 532024222.

It is a happy number.

222420235 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 222420235 - 2¹⁵ = 222387467 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6729 + ... + 22138.

It is an arithmetic number, because the mean of its divisors is an integer number (17667216).

Almost surely, 2^222420235 is an apocalyptic number.

222420235 is a deficient number, since it is larger than the sum of its proper divisors (60255221).

222420235 is a wasteful number, since it uses less digits than its factorization.

222420235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28962.

The product of its (nonzero) digits is 1920, while the sum is 22.

The square root of 222420235 is about 14913.7599216294. The cubic root of 222420235 is about 605.8867174162.

Adding to 222420235 its reverse (532024222), we get a palindrome (754444457).

The spelling of 222420235 in words is "two hundred twenty-two million, four hundred twenty thousand, two hundred thirty-five".