222313394 has 4 divisors (see below), whose sum is σ = 333470094. Its totient is φ = 111156696.

The previous prime is 222313393. The next prime is 222313409. The reversal of 222313394 is 493313222.

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., 195636169 + 26677225 = 13987^2 + 5165^2 .

It is not an unprimeable number, because it can be changed into a prime (222313393) by changing a digit.

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, 55578347 + ... + 55578350.

Almost surely, 2^222313394 is an apocalyptic number.

222313394 is a deficient number, since it is larger than the sum of its proper divisors (111156700).

222313394 is a wasteful number, since it uses less digits than its factorization.

222313394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111156699.

The product of its digits is 7776, while the sum is 29.

The square root of 222313394 is about 14910.1775308009. The cubic root of 222313394 is about 605.7896880091.

The spelling of 222313394 in words is "two hundred twenty-two million, three hundred thirteen thousand, three hundred ninety-four".