222404013 has 48 divisors (see below), whose sum is σ = 378233856. Its totient is φ = 124623360.

The previous prime is 222403999. The next prime is 222404023. The reversal of 222404013 is 310404222.

222404013 is a `hidden beast` number, since 22 + 240 + 401 + 3 = 666.

It is not a de Polignac number, because 222404013 - 2¹⁰ = 222402989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222404023) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 59856 + ... + 63462.

It is an arithmetic number, because the mean of its divisors is an integer number (7879872).

Almost surely, 2^222404013 is an apocalyptic number.

It is an amenable number.

222404013 is a deficient number, since it is larger than the sum of its proper divisors (155829843).

222404013 is a wasteful number, since it uses less digits than its factorization.

222404013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3674 (or 3671 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 222404013 is about 14913.2160515430. The cubic root of 222404013 is about 605.8719871418.

Adding to 222404013 its reverse (310404222), we get a palindrome (532808235).

The spelling of 222404013 in words is "two hundred twenty-two million, four hundred four thousand, thirteen".