4212281 has 16 divisors (see below), whose sum is σ = 4665600. Its totient is φ = 3788928.

The previous prime is 4212251. The next prime is 4212283. The reversal of 4212281 is 1822124.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 4212281 - 2²² = 17977 is a prime.

It is a super-2 number, since 2×4212281² = 35486622445922, which contains 22 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 (4212283) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47285 + ... + 47373.

It is an arithmetic number, because the mean of its divisors is an integer number (291600).

Almost surely, 2^4212281 is an apocalyptic number.

It is an amenable number.

4212281 is a deficient number, since it is larger than the sum of its proper divisors (453319).

4212281 is a wasteful number, since it uses less digits than its factorization.

4212281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208.

The product of its digits is 256, while the sum is 20.

The square root of 4212281 is about 2052.3842232876. The cubic root of 4212281 is about 161.4999696473.

The spelling of 4212281 in words is "four million, two hundred twelve thousand, two hundred eighty-one".