422542529 has 2 divisors, whose sum is σ = 422542530. Its totient is φ = 422542528.

The previous prime is 422542517. The next prime is 422542537. The reversal of 422542529 is 925245224.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 399000625 + 23541904 = 19975^2 + 4852^2 .

It is a cyclic number.

It is not a de Polignac number, because 422542529 - 2²⁴ = 405765313 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (422542559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211271264 + 211271265.

It is an arithmetic number, because the mean of its divisors is an integer number (211271265).

Almost surely, 2^422542529 is an apocalyptic number.

It is an amenable number.

422542529 is a deficient number, since it is larger than the sum of its proper divisors (1).

422542529 is an equidigital number, since it uses as much as digits as its factorization.

422542529 is an evil number, because the sum of its binary digits is even.

The product of its digits is 57600, while the sum is 35.

The square root of 422542529 is about 20555.8392920357. The cubic root of 422542529 is about 750.3953642869.

The spelling of 422542529 in words is "four hundred twenty-two million, five hundred forty-two thousand, five hundred twenty-nine".