422179670 has 16 divisors (see below), whose sum is σ = 829007568. Its totient is φ = 153519840.

The previous prime is 422179643. The next prime is 422179673. The reversal of 422179670 is 76971224.

It is a super-2 number, since 2×422179670² = 356471347522617800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422179673) 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, 1918889 + ... + 1919108.

It is an arithmetic number, because the mean of its divisors is an integer number (51812973).

Almost surely, 2^422179670 is an apocalyptic number.

422179670 is a deficient number, since it is larger than the sum of its proper divisors (406827898).

422179670 is a wasteful number, since it uses less digits than its factorization.

422179670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3838015.

The product of its (nonzero) digits is 42336, while the sum is 38.

The square root of 422179670 is about 20547.0112181796. The cubic root of 422179670 is about 750.1805017405.

It can be divided in two parts, 42 and 2179670, that added together give a palindrome (2179712).

The spelling of 422179670 in words is "four hundred twenty-two million, one hundred seventy-nine thousand, six hundred seventy".