492222378 has 16 divisors (see below), whose sum is σ = 984686976. Its totient is φ = 164033760.

The previous prime is 492222373. The next prime is 492222383. The reversal of 492222378 is 873222294.

It is an interprime number because it is at equal distance from previous prime (492222373) and next prime (492222383).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (492222373) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26575 + ... + 41117.

It is an arithmetic number, because the mean of its divisors is an integer number (61542936).

Almost surely, 2^492222378 is an apocalyptic number.

492222378 is an abundant number, since it is smaller than the sum of its proper divisors (492464598).

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

492222378 is a wasteful number, since it uses less digits than its factorization.

492222378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20189.

The product of its digits is 96768, while the sum is 39.

The square root of 492222378 is about 22186.0852337676. The cubic root of 492222378 is about 789.5635991705.

The spelling of 492222378 in words is "four hundred ninety-two million, two hundred twenty-two thousand, three hundred seventy-eight".