422147679 has 8 divisors (see below), whose sum is σ = 563100720. Its totient is φ = 281313216.

The previous prime is 422147659. The next prime is 422147683. The reversal of 422147679 is 976741224.

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

It is not a de Polignac number, because 422147679 - 2⁵ = 422147647 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 422147679.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422147659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20974 + ... + 35835.

It is an arithmetic number, because the mean of its divisors is an integer number (70387590).

Almost surely, 2^422147679 is an apocalyptic number.

422147679 is a deficient number, since it is larger than the sum of its proper divisors (140953041).

422147679 is a wasteful number, since it uses less digits than its factorization.

422147679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59289.

The product of its digits is 169344, while the sum is 42.

The square root of 422147679 is about 20546.2327203797. The cubic root of 422147679 is about 750.1615527540.

The spelling of 422147679 in words is "four hundred twenty-two million, one hundred forty-seven thousand, six hundred seventy-nine".