222918150 has 144 divisors (see below), whose sum is σ = 692861904. Its totient is φ = 47013120.

The previous prime is 222918131. The next prime is 222918167. The reversal of 222918150 is 51819222.

It is a Harshad number since it is a multiple of its sum of digits (30).

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 71 ways as a sum of consecutive naturals, for example, 94384 + ... + 96716.

It is an arithmetic number, because the mean of its divisors is an integer number (4811541).

Almost surely, 2^222918150 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 222918150, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (346430952).

222918150 is an abundant number, since it is smaller than the sum of its proper divisors (469943754).

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

222918150 is a wasteful number, since it uses less digits than its factorization.

222918150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2375 (or 2363 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 30.

The square root of 222918150 is about 14930.4437308474. The cubic root of 222918150 is about 606.3384977267.

The spelling of 222918150 in words is "two hundred twenty-two million, nine hundred eighteen thousand, one hundred fifty".