422706529 has 16 divisors (see below), whose sum is σ = 487206016. Its totient is φ = 359251200.

The previous prime is 422706527. The next prime is 422706533. The reversal of 422706529 is 925607224.

It is a happy number.

It is not a de Polignac number, because 422706529 - 2¹ = 422706527 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (422706521) 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, 558019 + ... + 558775.

It is an arithmetic number, because the mean of its divisors is an integer number (30450376).

Almost surely, 2^422706529 is an apocalyptic number.

It is an amenable number.

422706529 is a deficient number, since it is larger than the sum of its proper divisors (64499487).

422706529 is a wasteful number, since it uses less digits than its factorization.

422706529 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1336.

The product of its (nonzero) digits is 60480, while the sum is 37.

The square root of 422706529 is about 20559.8280391641. The cubic root of 422706529 is about 750.4924345328.

The spelling of 422706529 in words is "four hundred twenty-two million, seven hundred six thousand, five hundred twenty-nine".