422165481 has 4 divisors (see below), whose sum is σ = 562887312. Its totient is φ = 281443652.

The previous prime is 422165467. The next prime is 422165519. The reversal of 422165481 is 184561224.

It is a happy number.

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 a cyclic number.

It is not a de Polignac number, because 422165481 - 2¹⁵ = 422132713 is a prime.

It is a super-2 number, since 2×422165481² = 356447386695922722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (422165431) 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, 70360911 + ... + 70360916.

It is an arithmetic number, because the mean of its divisors is an integer number (140721828).

Almost surely, 2^422165481 is an apocalyptic number.

It is an amenable number.

422165481 is a deficient number, since it is larger than the sum of its proper divisors (140721831).

422165481 is a wasteful number, since it uses less digits than its factorization.

422165481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140721830.

The product of its digits is 15360, while the sum is 33.

The square root of 422165481 is about 20546.6659339174. The cubic root of 422165481 is about 750.1720973959.

The spelling of 422165481 in words is "four hundred twenty-two million, one hundred sixty-five thousand, four hundred eighty-one".