422512131 has 8 divisors (see below), whose sum is σ = 573978960. Its totient is φ = 276360032.

The previous prime is 422512121. The next prime is 422512147. The reversal of 422512131 is 131215224.

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 422512131 - 2⁹ = 422511619 is a prime.

It is a super-2 number, since 2×422512131² = 357033001684322322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 422512098 and 422512107.

It is not an unprimeable number, because it can be changed into a prime (422512121) 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, 1328496 + ... + 1328813.

It is an arithmetic number, because the mean of its divisors is an integer number (71747370).

Almost surely, 2^422512131 is an apocalyptic number.

422512131 is a deficient number, since it is larger than the sum of its proper divisors (151466829).

422512131 is a wasteful number, since it uses less digits than its factorization.

422512131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2657365.

The product of its digits is 480, while the sum is 21.

The square root of 422512131 is about 20555.0998781324. The cubic root of 422512131 is about 750.3773692026.

Adding to 422512131 its reverse (131215224), we get a palindrome (553727355).

The spelling of 422512131 in words is "four hundred twenty-two million, five hundred twelve thousand, one hundred thirty-one".