222245010 has 144 divisors (see below), whose sum is σ = 643478472. Its totient is φ = 52899840.

The previous prime is 222245003. The next prime is 222245039. The reversal of 222245010 is 10542222.

222245010 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 12 ways, for example, as 106316721 + 115928289 = 10311^2 + 10767^2 .

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

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1966714 + ... + 1966826.

Almost surely, 2^222245010 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 222245010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (321739236).

222245010 is an abundant number, since it is smaller than the sum of its proper divisors (421233462).

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

222245010 is a wasteful number, since it uses less digits than its factorization.

222245010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221 (or 177 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 222245010 is about 14907.8841557077. The cubic root of 222245010 is about 605.7275676399.

Adding to 222245010 its reverse (10542222), we get a palindrome (232787232).

The spelling of 222245010 in words is "two hundred twenty-two million, two hundred forty-five thousand, ten".