222345042 has 8 divisors (see below), whose sum is σ = 444690096. Its totient is φ = 74115012.

The previous prime is 222345041. The next prime is 222345043. The reversal of 222345042 is 240543222.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (222345041) and next prime (222345043).

It is a sphenic number, since it is the product of 3 distinct primes.

222345042 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (222345041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18528748 + ... + 18528759.

It is an arithmetic number, because the mean of its divisors is an integer number (55586262).

Almost surely, 2^222345042 is an apocalyptic number.

222345042 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

222345042 is a wasteful number, since it uses less digits than its factorization.

222345042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37057512.

The product of its (nonzero) digits is 3840, while the sum is 24.

The square root of 222345042 is about 14911.2387815366. The cubic root of 222345042 is about 605.8184328994.

Adding to 222345042 its reverse (240543222), we get a palindrome (462888264).

The spelling of 222345042 in words is "two hundred twenty-two million, three hundred forty-five thousand, forty-two".