422403413 has 2 divisors, whose sum is σ = 422403414. Its totient is φ = 422403412.

The previous prime is 422403407. The next prime is 422403493. The reversal of 422403413 is 314304224.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 324828529 + 97574884 = 18023^2 + 9878^2 .

It is a cyclic number.

It is not a de Polignac number, because 422403413 - 2²⁶ = 355294549 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (422403493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211201706 + 211201707.

It is an arithmetic number, because the mean of its divisors is an integer number (211201707).

Almost surely, 2^422403413 is an apocalyptic number.

It is an amenable number.

422403413 is a deficient number, since it is larger than the sum of its proper divisors (1).

422403413 is an equidigital number, since it uses as much as digits as its factorization.

422403413 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 422403413 is about 20552.4551574745. The cubic root of 422403413 is about 750.3130029836.

Adding to 422403413 its reverse (314304224), we get a palindrome (736707637).

The spelling of 422403413 in words is "four hundred twenty-two million, four hundred three thousand, four hundred thirteen".