222304401 has 24 divisors (see below), whose sum is σ = 362381760. Its totient is φ = 130082400.

The previous prime is 222304391. The next prime is 222304421. The reversal of 222304401 is 104403222.

222304401 is a `hidden beast` number, since 2 + 223 + 0 + 440 + 1 = 666.

It is not a de Polignac number, because 222304401 - 2¹³ = 222296209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (222304421) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 35845 + ... + 41586.

It is an arithmetic number, because the mean of its divisors is an integer number (15099240).

Almost surely, 2^222304401 is an apocalyptic number.

It is an amenable number.

222304401 is a deficient number, since it is larger than the sum of its proper divisors (140077359).

222304401 is a wasteful number, since it uses less digits than its factorization.

222304401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77477 (or 77474 counting only the distinct ones).

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

The square root of 222304401 is about 14909.8759552184. The cubic root of 222304401 is about 605.7815194502.

Adding to 222304401 its reverse (104403222), we get a palindrome (326707623).

The spelling of 222304401 in words is "two hundred twenty-two million, three hundred four thousand, four hundred one".