7036221 has 8 divisors (see below), whose sum is σ = 9439840. Its totient is φ = 4661712.

The previous prime is 7036207. The next prime is 7036247. The reversal of 7036221 is 1226307.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 7036221 - 2⁹ = 7035709 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 (7036261) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6706 + ... + 7683.

It is an arithmetic number, because the mean of its divisors is an integer number (1179980).

Almost surely, 2^7036221 is an apocalyptic number.

It is an amenable number.

7036221 is a deficient number, since it is larger than the sum of its proper divisors (2403619).

7036221 is a wasteful number, since it uses less digits than its factorization.

7036221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14555.

The product of its (nonzero) digits is 504, while the sum is 21.

The square root of 7036221 is about 2652.5876045854. The cubic root of 7036221 is about 191.6224950089.

The spelling of 7036221 in words is "seven million, thirty-six thousand, two hundred twenty-one".