10368221 has 4 divisors (see below), whose sum is σ = 10379292. Its totient is φ = 10357152.

The previous prime is 10368209. The next prime is 10368227. The reversal of 10368221 is 12286301.

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 7344100 + 3024121 = 2710^2 + 1739^2 .

It is a cyclic number.

It is not a de Polignac number, because 10368221 - 2⁶ = 10368157 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 (10368227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3986 + ... + 6051.

It is an arithmetic number, because the mean of its divisors is an integer number (2594823).

Almost surely, 2^10368221 is an apocalyptic number.

It is an amenable number.

10368221 is a deficient number, since it is larger than the sum of its proper divisors (11071).

10368221 is a wasteful number, since it uses less digits than its factorization.

10368221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11070.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 10368221 is about 3219.9722048490. The cubic root of 10368221 is about 218.0560204485.

The spelling of 10368221 in words is "ten million, three hundred sixty-eight thousand, two hundred twenty-one".