422087477 has 4 divisors (see below), whose sum is σ = 482385696. Its totient is φ = 361789260.

The previous prime is 422087473. The next prime is 422087483. The reversal of 422087477 is 774780224.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 422087477 - 2² = 422087473 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 (422087473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30149099 + ... + 30149112.

It is an arithmetic number, because the mean of its divisors is an integer number (120596424).

Almost surely, 2^422087477 is an apocalyptic number.

It is an amenable number.

422087477 is a deficient number, since it is larger than the sum of its proper divisors (60298219).

422087477 is an equidigital number, since it uses as much as digits as its factorization.

422087477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60298218.

The product of its (nonzero) digits is 175616, while the sum is 41.

The square root of 422087477 is about 20544.7676307132. The cubic root of 422087477 is about 750.1258911637.

The spelling of 422087477 in words is "four hundred twenty-two million, eighty-seven thousand, four hundred seventy-seven".