422698609 has 8 divisors (see below), whose sum is σ = 439016192. Its totient is φ = 406548720.

The previous prime is 422698603. The next prime is 422698631. The reversal of 422698609 is 906896224.

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 422698609 - 2⁷ = 422698481 is a prime.

It is a super-2 number, since 2×422698609² = 357348228101069762, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (422698603) 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, 36774 + ... + 46879.

It is an arithmetic number, because the mean of its divisors is an integer number (54877024).

Almost surely, 2^422698609 is an apocalyptic number.

It is an amenable number.

422698609 is a deficient number, since it is larger than the sum of its proper divisors (16317583).

422698609 is a wasteful number, since it uses less digits than its factorization.

422698609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83847.

The product of its (nonzero) digits is 373248, while the sum is 46.

The square root of 422698609 is about 20559.6354296471. The cubic root of 422698609 is about 750.4877473272.

The spelling of 422698609 in words is "four hundred twenty-two million, six hundred ninety-eight thousand, six hundred nine".