4221076 has 6 divisors (see below), whose sum is σ = 7386890. Its totient is φ = 2110536.

The previous prime is 4221047. The next prime is 4221109. The reversal of 4221076 is 6701224.

It can be written as a sum of positive squares in only one way, i.e., 3168400 + 1052676 = 1780^2 + 1026^2 .

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 527631 + ... + 527638.

Almost surely, 2^4221076 is an apocalyptic number.

It is an amenable number.

4221076 is a deficient number, since it is larger than the sum of its proper divisors (3165814).

4221076 is a wasteful number, since it uses less digits than its factorization.

4221076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1055273 (or 1055271 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 4221076 is about 2054.5257360277. The cubic root of 4221076 is about 161.6122923859.

The spelling of 4221076 in words is "four million, two hundred twenty-one thousand, seventy-six".