222507468 has 72 divisors (see below), whose sum is σ = 574269696. Its totient is φ = 72626400.

The previous prime is 222507457. The next prime is 222507473. The reversal of 222507468 is 864705222.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 672063 + ... + 672393.

It is an arithmetic number, because the mean of its divisors is an integer number (7975968).

Almost surely, 2^222507468 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 222507468, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (287134848).

222507468 is an abundant number, since it is smaller than the sum of its proper divisors (351762228).

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

222507468 is a wasteful number, since it uses less digits than its factorization.

222507468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 675 (or 670 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 36.

The square root of 222507468 is about 14916.6842160046. The cubic root of 222507468 is about 605.9659164571.

The spelling of 222507468 in words is "two hundred twenty-two million, five hundred seven thousand, four hundred sixty-eight".