222359904 has 120 divisors (see below), whose sum is σ = 704365200. Its totient is φ = 68408064.

The previous prime is 222359903. The next prime is 222359909. The reversal of 222359904 is 409953222.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222359903) by changing a digit.

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 19 ways as a sum of consecutive naturals, for example, 30397 + ... + 36995.

It is an arithmetic number, because the mean of its divisors is an integer number (5869710).

Almost surely, 2^222359904 is an apocalyptic number.

222359904 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 222359904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (352182600).

222359904 is an abundant number, since it is smaller than the sum of its proper divisors (482005296).

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

222359904 is a wasteful number, since it uses less digits than its factorization.

222359904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6634 (or 6617 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The square root of 222359904 is about 14911.7371221464. The cubic root of 222359904 is about 605.8319306487.

The spelling of 222359904 in words is "two hundred twenty-two million, three hundred fifty-nine thousand, nine hundred four".