10874221 has 4 divisors (see below), whose sum is σ = 10880892. Its totient is φ = 10867552.

The previous prime is 10874209. The next prime is 10874233. The reversal of 10874221 is 12247801.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 12247801 = 67 ⋅182803.

It is an interprime number because it is at equal distance from previous prime (10874209) and next prime (10874233).

It can be written as a sum of positive squares in 2 ways, for example, as 1177225 + 9696996 = 1085^2 + 3114^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10874221 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 (10874021) 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, 921 + ... + 4753.

It is an arithmetic number, because the mean of its divisors is an integer number (2720223).

Almost surely, 2^10874221 is an apocalyptic number.

It is an amenable number.

10874221 is a deficient number, since it is larger than the sum of its proper divisors (6671).

10874221 is an equidigital number, since it uses as much as digits as its factorization.

10874221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6670.

The product of its (nonzero) digits is 896, while the sum is 25.

The square root of 10874221 is about 3297.6083757778. The cubic root of 10874221 is about 221.5470908647.

The spelling of 10874221 in words is "ten million, eight hundred seventy-four thousand, two hundred twenty-one".