222378342 has 32 divisors (see below), whose sum is σ = 457367904. Its totient is φ = 72038400.

The previous prime is 222378313. The next prime is 222378349. The reversal of 222378342 is 243873222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222378349) 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 15 ways as a sum of consecutive naturals, for example, 67518 + ... + 70734.

It is an arithmetic number, because the mean of its divisors is an integer number (14292747).

Almost surely, 2^222378342 is an apocalyptic number.

222378342 is an abundant number, since it is smaller than the sum of its proper divisors (234989562).

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

222378342 is a wasteful number, since it uses less digits than its factorization.

222378342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3544.

The product of its digits is 32256, while the sum is 33.

The square root of 222378342 is about 14912.3553471610. The cubic root of 222378342 is about 605.8486753049.

The spelling of 222378342 in words is "two hundred twenty-two million, three hundred seventy-eight thousand, three hundred forty-two".