222401304 has 48 divisors (see below), whose sum is σ = 603439200. Its totient is φ = 73998144.

The previous prime is 222401273. The next prime is 222401317. The reversal of 222401304 is 403104222.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 41617 + ... + 46655.

It is an arithmetic number, because the mean of its divisors is an integer number (12571650).

Almost surely, 2^222401304 is an apocalyptic number.

222401304 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

222401304 is an abundant number, since it is smaller than the sum of its proper divisors (381037896).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

222401304 is a wasteful number, since it uses less digits than its factorization.

222401304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5664 (or 5657 counting only the distinct ones).

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

The square root of 222401304 is about 14913.1252257868. The cubic root of 222401304 is about 605.8695271834.

Adding to 222401304 its reverse (403104222), we get a palindrome (625505526).

The spelling of 222401304 in words is "two hundred twenty-two million, four hundred one thousand, three hundred four".