4622281 has 4 divisors (see below), whose sum is σ = 4781700. Its totient is φ = 4462864.

The previous prime is 4622273. The next prime is 4622311. The reversal of 4622281 is 1822264.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 3455881 + 1166400 = 1859^2 + 1080^2 .

It is a cyclic number.

It is not a de Polignac number, because 4622281 - 2³ = 4622273 is a prime.

It is a super-2 number, since 2×4622281² = 42730963285922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4622081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79666 + ... + 79723.

It is an arithmetic number, because the mean of its divisors is an integer number (1195425).

Almost surely, 2^4622281 is an apocalyptic number.

It is an amenable number.

4622281 is a deficient number, since it is larger than the sum of its proper divisors (159419).

4622281 is a wasteful number, since it uses less digits than its factorization.

4622281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159418.

The product of its digits is 1536, while the sum is 25.

The square root of 4622281 is about 2149.9490691642. The cubic root of 4622281 is about 166.5784364119.

The spelling of 4622281 in words is "four million, six hundred twenty-two thousand, two hundred eighty-one".