222545010 has 96 divisors (see below), whose sum is σ = 574943040. Its totient is φ = 55085184.

The previous prime is 222545003. The next prime is 222545051. The reversal of 222545010 is 10545222.

It is a happy number.

It is a congruent number.

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 47 ways as a sum of consecutive naturals, for example, 587001 + ... + 587379.

It is an arithmetic number, because the mean of its divisors is an integer number (5988990).

Almost surely, 2^222545010 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 222545010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (287471520).

222545010 is an abundant number, since it is smaller than the sum of its proper divisors (352398030).

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

222545010 is a wasteful number, since it uses less digits than its factorization.

222545010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 472 (or 449 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 222545010 is about 14917.9425525104. The cubic root of 222545010 is about 605.9999945539. Note that the first 5 decimals are identical.

The spelling of 222545010 in words is "two hundred twenty-two million, five hundred forty-five thousand, ten".