422674387 has 4 divisors (see below), whose sum is σ = 423739456. Its totient is φ = 421609320.

The previous prime is 422674379. The next prime is 422674403. The reversal of 422674387 is 783476224.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 422674387 - 2³ = 422674379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (422674327) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 531939 + ... + 532732.

It is an arithmetic number, because the mean of its divisors is an integer number (105934864).

Almost surely, 2^422674387 is an apocalyptic number.

422674387 is a deficient number, since it is larger than the sum of its proper divisors (1065069).

422674387 is a wasteful number, since it uses less digits than its factorization.

422674387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1065068.

The product of its digits is 451584, while the sum is 43.

The square root of 422674387 is about 20559.0463543424. The cubic root of 422674387 is about 750.4734119268.

The spelling of 422674387 in words is "four hundred twenty-two million, six hundred seventy-four thousand, three hundred eighty-seven".