222151450 has 24 divisors (see below), whose sum is σ = 413643168. Its totient is φ = 88765680.

The previous prime is 222151429. The next prime is 222151453. The reversal of 222151450 is 54151222.

It is not an unprimeable number, because it can be changed into a prime (222151453) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 62419 + ... + 65881.

It is an arithmetic number, because the mean of its divisors is an integer number (17235132).

Almost surely, 2^222151450 is an apocalyptic number.

222151450 is a deficient number, since it is larger than the sum of its proper divisors (191491718).

222151450 is a wasteful number, since it uses less digits than its factorization.

222151450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4758 (or 4753 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 222151450 is about 14904.7458884746. The cubic root of 222151450 is about 605.6425566189.

The spelling of 222151450 in words is "two hundred twenty-two million, one hundred fifty-one thousand, four hundred fifty".