11221877 has 4 divisors (see below), whose sum is σ = 11324940. Its totient is φ = 11118816.

The previous prime is 11221843. The next prime is 11221883. The reversal of 11221877 is 77812211.

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 6355441 + 4866436 = 2521^2 + 2206^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11221877 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 (11221477) 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, 51368 + ... + 51585.

It is an arithmetic number, because the mean of its divisors is an integer number (2831235).

Almost surely, 2^11221877 is an apocalyptic number.

It is an amenable number.

11221877 is a deficient number, since it is larger than the sum of its proper divisors (103063).

11221877 is a wasteful number, since it uses less digits than its factorization.

11221877 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103062.

The product of its digits is 1568, while the sum is 29.

The square root of 11221877 is about 3349.9070136349. The cubic root of 11221877 is about 223.8833696097.

The spelling of 11221877 in words is "eleven million, two hundred twenty-one thousand, eight hundred seventy-seven".