222544150 has 48 divisors (see below), whose sum is σ = 441824400. Its totient is φ = 83151360.

The previous prime is 222544141. The next prime is 222544163. The reversal of 222544150 is 51445222.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 67746 + ... + 70954.

It is an arithmetic number, because the mean of its divisors is an integer number (9204675).

Almost surely, 2^222544150 is an apocalyptic number.

222544150 is a deficient number, since it is larger than the sum of its proper divisors (219280250).

222544150 is a wasteful number, since it uses less digits than its factorization.

222544150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3313 (or 3308 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 25.

The square root of 222544150 is about 14917.9137281324. The cubic root of 222544150 is about 605.9992139468. Note that the first 3 decimals are identical.

Adding to 222544150 its reverse (51445222), we get a palindrome (273989372).

The spelling of 222544150 in words is "two hundred twenty-two million, five hundred forty-four thousand, one hundred fifty".