422487767 has 4 divisors (see below), whose sum is σ = 454986840. Its totient is φ = 389988696.

The previous prime is 422487763. The next prime is 422487787. The reversal of 422487767 is 767784224.

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 422487767 - 2² = 422487763 is a prime.

It is a super-3 number, since 3×422487767³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422487761) 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 3 ways as a sum of consecutive naturals, for example, 16249517 + ... + 16249542.

It is an arithmetic number, because the mean of its divisors is an integer number (113746710).

Almost surely, 2^422487767 is an apocalyptic number.

422487767 is a deficient number, since it is larger than the sum of its proper divisors (32499073).

422487767 is a wasteful number, since it uses less digits than its factorization.

422487767 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32499072.

The product of its digits is 1053696, while the sum is 47.

The square root of 422487767 is about 20554.5072186127. The cubic root of 422487767 is about 750.3629455176.

The spelling of 422487767 in words is "four hundred twenty-two million, four hundred eighty-seven thousand, seven hundred sixty-seven".