222321434 has 8 divisors (see below), whose sum is σ = 341615988. Its totient is φ = 108449440.

The previous prime is 222321431. The next prime is 222321439. The reversal of 222321434 is 434123222.

It can be written as a sum of positive squares in 2 ways, for example, as 222159025 + 162409 = 14905^2 + 403^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (222321431) 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, 1355537 + ... + 1355700.

Almost surely, 2^222321434 is an apocalyptic number.

222321434 is a deficient number, since it is larger than the sum of its proper divisors (119294554).

222321434 is a wasteful number, since it uses less digits than its factorization.

222321434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2711280.

The product of its digits is 2304, while the sum is 23.

The square root of 222321434 is about 14910.4471428593. The cubic root of 222321434 is about 605.7969907485.

Adding to 222321434 its reverse (434123222), we get a palindrome (656444656).

The spelling of 222321434 in words is "two hundred twenty-two million, three hundred twenty-one thousand, four hundred thirty-four".