222404045 has 16 divisors (see below), whose sum is σ = 276559920. Its totient is φ = 171494400.

The previous prime is 222404033. The next prime is 222404053. The reversal of 222404045 is 540404222.

It can be written as a sum of positive squares in 8 ways, for example, as 73222249 + 149181796 = 8557^2 + 12214^2 .

It is a de Polignac number, because none of the positive numbers 2^k-222404045 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 222404045.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 126875 + ... + 128615.

It is an arithmetic number, because the mean of its divisors is an integer number (17284995).

Almost surely, 2^222404045 is an apocalyptic number.

It is an amenable number.

222404045 is a deficient number, since it is larger than the sum of its proper divisors (54155875).

222404045 is a wasteful number, since it uses less digits than its factorization.

222404045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2656.

The product of its (nonzero) digits is 2560, while the sum is 23.

The square root of 222404045 is about 14913.2171244169. The cubic root of 222404045 is about 605.8720161999.

Adding to 222404045 its reverse (540404222), we get a palindrome (762808267).

The spelling of 222404045 in words is "two hundred twenty-two million, four hundred four thousand, forty-five".