222522434 has 4 divisors (see below), whose sum is σ = 333783654. Its totient is φ = 111261216.

The previous prime is 222522427. The next prime is 222522437. The reversal of 222522434 is 434225222.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 214710409 + 7812025 = 14653^2 + 2795^2 .

It is not an unprimeable number, because it can be changed into a prime (222522437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55630607 + ... + 55630610.

Almost surely, 2^222522434 is an apocalyptic number.

222522434 is a deficient number, since it is larger than the sum of its proper divisors (111261220).

222522434 is a wasteful number, since it uses less digits than its factorization.

222522434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111261219.

The product of its digits is 7680, while the sum is 26.

The square root of 222522434 is about 14917.1858606106. The cubic root of 222522434 is about 605.9795020424.

Adding to 222522434 its reverse (434225222), we get a palindrome (656747656).

The spelling of 222522434 in words is "two hundred twenty-two million, five hundred twenty-two thousand, four hundred thirty-four".