222494600 has 48 divisors (see below), whose sum is σ = 519259920. Its totient is φ = 88660800.

The previous prime is 222494593. The next prime is 222494609. The reversal of 222494600 is 6494222.

It is not an unprimeable number, because it can be changed into a prime (222494609) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 54635 + ... + 58565.

It is an arithmetic number, because the mean of its divisors is an integer number (10817915).

Almost surely, 2^222494600 is an apocalyptic number.

222494600 is a gapful number since it is divisible by the number (20) 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 222494600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (259629960).

222494600 is an abundant number, since it is smaller than the sum of its proper divisors (296765320).

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

222494600 is a wasteful number, since it uses less digits than its factorization.

222494600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4230 (or 4221 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 222494600 is about 14916.2528806668. The cubic root of 222494600 is about 605.9542348720.

The spelling of 222494600 in words is "two hundred twenty-two million, four hundred ninety-four thousand, six hundred".