422936387 has 8 divisors (see below), whose sum is σ = 450406656. Its totient is φ = 395754112.

The previous prime is 422936383. The next prime is 422936411. The reversal of 422936387 is 783639224.

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 422936387 - 2² = 422936383 is a prime.

It is a super-2 number, since 2×422936387² = 357750374897227538, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (422936383) 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, 68963 + ... + 74844.

It is an arithmetic number, because the mean of its divisors is an integer number (56300832).

Almost surely, 2^422936387 is an apocalyptic number.

422936387 is a deficient number, since it is larger than the sum of its proper divisors (27470269).

422936387 is a wasteful number, since it uses less digits than its factorization.

422936387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143997.

The product of its digits is 435456, while the sum is 44.

The square root of 422936387 is about 20565.4172581059. The cubic root of 422936387 is about 750.6284433390.

The spelling of 422936387 in words is "four hundred twenty-two million, nine hundred thirty-six thousand, three hundred eighty-seven".