422602501 has 2 divisors, whose sum is σ = 422602502. Its totient is φ = 422602500.

The previous prime is 422602469. The next prime is 422602553. The reversal of 422602501 is 105206224.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 400040001 + 22562500 = 20001^2 + 4750^2 .

It is a cyclic number.

It is not a de Polignac number, because 422602501 - 2⁵ = 422602469 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (422602001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211301250 + 211301251.

It is an arithmetic number, because the mean of its divisors is an integer number (211301251).

Almost surely, 2^422602501 is an apocalyptic number.

It is an amenable number.

422602501 is a deficient number, since it is larger than the sum of its proper divisors (1).

422602501 is an equidigital number, since it uses as much as digits as its factorization.

422602501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 422602501 is about 20557.2979985211. The cubic root of 422602501 is about 750.4308641311.

Adding to 422602501 its reverse (105206224), we get a palindrome (527808725).

The spelling of 422602501 in words is "four hundred twenty-two million, six hundred two thousand, five hundred one".