222140434 has 4 divisors (see below), whose sum is σ = 333210654. Its totient is φ = 111070216.

The previous prime is 222140423. The next prime is 222140441. The reversal of 222140434 is 434041222.

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., 180499225 + 41641209 = 13435^2 + 6453^2 .

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55535107 + ... + 55535110.

Almost surely, 2^222140434 is an apocalyptic number.

222140434 is a deficient number, since it is larger than the sum of its proper divisors (111070220).

222140434 is a wasteful number, since it uses less digits than its factorization.

222140434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111070219.

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 222140434 is about 14904.3763371702. The cubic root of 222140434 is about 605.6325456276.

Adding to 222140434 its reverse (434041222), we get a palindrome (656181656).

The spelling of 222140434 in words is "two hundred twenty-two million, one hundred forty thousand, four hundred thirty-four".