422346157 has 8 divisors (see below), whose sum is σ = 434139512. Its totient is φ = 410572800.

The previous prime is 422346143. The next prime is 422346161. The reversal of 422346157 is 751643224.

It can be written as a sum of positive squares in 4 ways, for example, as 121462441 + 300883716 = 11021^2 + 17346^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 422346157 - 2¹⁵ = 422313389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422346107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44557 + ... + 53197.

It is an arithmetic number, because the mean of its divisors is an integer number (54267439).

Almost surely, 2^422346157 is an apocalyptic number.

It is an amenable number.

422346157 is a deficient number, since it is larger than the sum of its proper divisors (11793355).

422346157 is a wasteful number, since it uses less digits than its factorization.

422346157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9999.

The product of its digits is 40320, while the sum is 34.

The square root of 422346157 is about 20551.0621866608. The cubic root of 422346157 is about 750.2791002726.

The spelling of 422346157 in words is "four hundred twenty-two million, three hundred forty-six thousand, one hundred fifty-seven".