222012150 has 48 divisors (see below), whose sum is σ = 579576000. Its totient is φ = 56086560.

The previous prime is 222012127. The next prime is 222012151. The reversal of 222012150 is 51210222.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222012151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 36100 + ... + 41799.

It is an arithmetic number, because the mean of its divisors is an integer number (12074500).

Almost surely, 2^222012150 is an apocalyptic number.

222012150 is an abundant number, since it is smaller than the sum of its proper divisors (357563850).

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

222012150 is a wasteful number, since it uses less digits than its factorization.

222012150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77933 (or 77928 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 222012150 is about 14900.0721474763. The cubic root of 222012150 is about 605.5159408227.

Adding to 222012150 its reverse (51210222), we get a palindrome (273222372).

The spelling of 222012150 in words is "two hundred twenty-two million, twelve thousand, one hundred fifty".