222120150 has 48 divisors (see below), whose sum is σ = 629554944. Its totient is φ = 50770080.

The previous prime is 222120149. The next prime is 222120161. The reversal of 222120150 is 51021222.

It is a super-2 number, since 2×222120150² = 98674722072045000, which contains 22 as substring.

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

It is a Curzon number.

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, 104722 + ... + 106821.

It is an arithmetic number, because the mean of its divisors is an integer number (13115728).

Almost surely, 2^222120150 is an apocalyptic number.

222120150 is an abundant number, since it is smaller than the sum of its proper divisors (407434794).

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

222120150 is a wasteful number, since it uses less digits than its factorization.

222120150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211565 (or 211560 counting only the distinct ones).

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

The square root of 222120150 is about 14903.6958503587. The cubic root of 222120150 is about 605.6141113062.

Adding to 222120150 its reverse (51021222), we get a palindrome (273141372).

The spelling of 222120150 in words is "two hundred twenty-two million, one hundred twenty thousand, one hundred fifty".