342212178 has 48 divisors (see below), whose sum is σ = 868554144. Its totient is φ = 88885440.

The previous prime is 342212177. The next prime is 342212179. The reversal of 342212178 is 871212243.

It is an interprime number because it is at equal distance from previous prime (342212177) and next prime (342212179).

It is not an unprimeable number, because it can be changed into a prime (342212177) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 49675 + ... + 56142.

It is an arithmetic number, because the mean of its divisors is an integer number (18094878).

Almost surely, 2^342212178 is an apocalyptic number.

342212178 is an abundant number, since it is smaller than the sum of its proper divisors (526341966).

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

342212178 is a wasteful number, since it uses less digits than its factorization.

342212178 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105847 (or 105840 counting only the distinct ones).

The product of its digits is 5376, while the sum is 30.

The square root of 342212178 is about 18498.9777555410. The cubic root of 342212178 is about 699.4636558215.

The spelling of 342212178 in words is "three hundred forty-two million, two hundred twelve thousand, one hundred seventy-eight".