222340403 has 4 divisors (see below), whose sum is σ = 223813008. Its totient is φ = 220867800.

The previous prime is 222340387. The next prime is 222340411. The reversal of 222340403 is 304043222.

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

It is a cyclic number.

It is not a de Polignac number, because 222340403 - 2⁴ = 222340387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222340493) 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, 736076 + ... + 736377.

It is an arithmetic number, because the mean of its divisors is an integer number (55953252).

Almost surely, 2^222340403 is an apocalyptic number.

222340403 is a deficient number, since it is larger than the sum of its proper divisors (1472605).

222340403 is a wasteful number, since it uses less digits than its factorization.

222340403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1472604.

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 222340403 is about 14911.0832269155. The cubic root of 222340403 is about 605.8142196111.

Adding to 222340403 its reverse (304043222), we get a palindrome (526383625).

The spelling of 222340403 in words is "two hundred twenty-two million, three hundred forty thousand, four hundred three".