422689613 has 8 divisors (see below), whose sum is σ = 433760448. Its totient is φ = 411675264.

The previous prime is 422689609. The next prime is 422689627. The reversal of 422689613 is 316986224.

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

It is a cyclic number.

It is not a de Polignac number, because 422689613 - 2² = 422689609 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422689643) 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, 1256 + ... + 29102.

It is an arithmetic number, because the mean of its divisors is an integer number (54220056).

Almost surely, 2^422689613 is an apocalyptic number.

422689613 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

It is an amenable number.

422689613 is a deficient number, since it is larger than the sum of its proper divisors (11070835).

422689613 is a wasteful number, since it uses less digits than its factorization.

422689613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28243.

The product of its digits is 124416, while the sum is 41.

The square root of 422689613 is about 20559.4166502846. The cubic root of 422689613 is about 750.4824232535.

It can be divided in two parts, 4226 and 89613, that added together give a palindrome (93839).

The spelling of 422689613 in words is "four hundred twenty-two million, six hundred eighty-nine thousand, six hundred thirteen".