222440434 has 4 divisors (see below), whose sum is σ = 333660654. Its totient is φ = 111220216.

The previous prime is 222440431. The next prime is 222440441. The reversal of 222440434 is 434044222.

222440434 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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., 161366209 + 61074225 = 12703^2 + 7815^2 .

It is a junction number, because it is equal to n+sod(n) for n = 222440399 and 222440408.

It is not an unprimeable number, because it can be changed into a prime (222440431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55610107 + ... + 55610110.

Almost surely, 2^222440434 is an apocalyptic number.

222440434 is a deficient number, since it is larger than the sum of its proper divisors (111220220).

222440434 is a wasteful number, since it uses less digits than its factorization.

222440434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111220219.

The product of its (nonzero) digits is 6144, while the sum is 25.

The square root of 222440434 is about 14914.4370996696. The cubic root of 222440434 is about 605.9050579767.

Adding to 222440434 its reverse (434044222), we get a palindrome (656484656).

The spelling of 222440434 in words is "two hundred twenty-two million, four hundred forty thousand, four hundred thirty-four".