3422178398 has 4 divisors (see below), whose sum is σ = 5133267600. Its totient is φ = 1711089198.

The previous prime is 3422178391. The next prime is 3422178401. The reversal of 3422178398 is 8938712243.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×3422178398² = 23422609975475692808, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3422178391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 855544598 + ... + 855544601.

It is an arithmetic number, because the mean of its divisors is an integer number (1283316900).

Almost surely, 2^3422178398 is an apocalyptic number.

3422178398 is a deficient number, since it is larger than the sum of its proper divisors (1711089202).

3422178398 is a wasteful number, since it uses less digits than its factorization.

3422178398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1711089201.

The product of its digits is 580608, while the sum is 47.

The square root of 3422178398 is about 58499.3880138929. The cubic root of 3422178398 is about 1506.9570751475.

The spelling of 3422178398 in words is "three billion, four hundred twenty-two million, one hundred seventy-eight thousand, three hundred ninety-eight".