222402150 has 72 divisors (see below), whose sum is σ = 599809080. Its totient is φ = 59080320.

The previous prime is 222402107. The next prime is 222402161. The reversal of 222402150 is 51204222.

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

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 35 ways as a sum of consecutive naturals, for example, 140061 + ... + 141639.

Almost surely, 2^222402150 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 222402150, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (299904540).

222402150 is an abundant number, since it is smaller than the sum of its proper divisors (377406930).

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

222402150 is a wasteful number, since it uses less digits than its factorization.

222402150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1910 (or 1902 counting only the distinct ones).

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

The square root of 222402150 is about 14913.1535900359. The cubic root of 222402150 is about 605.8702954117.

Adding to 222402150 its reverse (51204222), we get a palindrome (273606372).

The spelling of 222402150 in words is "two hundred twenty-two million, four hundred two thousand, one hundred fifty".