222254142 has 32 divisors (see below), whose sum is σ = 492165504. Its totient is φ = 66343200.

The previous prime is 222254059. The next prime is 222254147. The reversal of 222254142 is 241452222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222254147) 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 15 ways as a sum of consecutive naturals, for example, 20709 + ... + 29552.

It is an arithmetic number, because the mean of its divisors is an integer number (15380172).

Almost surely, 2^222254142 is an apocalyptic number.

222254142 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

222254142 is an abundant number, since it is smaller than the sum of its proper divisors (269911362).

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

222254142 is a wasteful number, since it uses less digits than its factorization.

222254142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50344.

The product of its digits is 2560, while the sum is 24.

The square root of 222254142 is about 14908.1904334497. The cubic root of 222254142 is about 605.7358639317.

The spelling of 222254142 in words is "two hundred twenty-two million, two hundred fifty-four thousand, one hundred forty-two".