422303986 has 32 divisors (see below), whose sum is σ = 690838848. Its totient is φ = 192456000.

The previous prime is 422303983. The next prime is 422303993. The reversal of 422303986 is 689303224.

It is a super-3 number, since 3×422303986³ (a number of 27 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (422303983) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1063540 + ... + 1063936.

It is an arithmetic number, because the mean of its divisors is an integer number (21588714).

Almost surely, 2^422303986 is an apocalyptic number.

422303986 is a deficient number, since it is larger than the sum of its proper divisors (268534862).

422303986 is a wasteful number, since it uses less digits than its factorization.

422303986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 826.

The product of its (nonzero) digits is 62208, while the sum is 37.

The square root of 422303986 is about 20550.0361556860. The cubic root of 422303986 is about 750.2541278083.

The spelling of 422303986 in words is "four hundred twenty-two million, three hundred three thousand, nine hundred eighty-six".