422518129 has 16 divisors (see below), whose sum is σ = 476562240. Its totient is φ = 371266560.

The previous prime is 422518121. The next prime is 422518157. The reversal of 422518129 is 921815224.

It is a cyclic number.

It is not a de Polignac number, because 422518129 - 2³ = 422518121 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 422518094 and 422518103.

It is not an unprimeable number, because it can be changed into a prime (422518121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41277 + ... + 50485.

It is an arithmetic number, because the mean of its divisors is an integer number (29785140).

Almost surely, 2^422518129 is an apocalyptic number.

It is an amenable number.

422518129 is a deficient number, since it is larger than the sum of its proper divisors (54044111).

422518129 is a wasteful number, since it uses less digits than its factorization.

422518129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9360.

The product of its digits is 11520, while the sum is 34.

The square root of 422518129 is about 20555.2457781463. The cubic root of 422518129 is about 750.3809199820.

The spelling of 422518129 in words is "four hundred twenty-two million, five hundred eighteen thousand, one hundred twenty-nine".