11492221 has 16 divisors (see below), whose sum is σ = 13230000. Its totient is φ = 9888768.

The previous prime is 11492219. The next prime is 11492231. The reversal of 11492221 is 12229411.

It can be written as a sum of positive squares in 8 ways, for example, as 236196 + 11256025 = 486^2 + 3355^2 .

It is a cyclic number.

It is not a de Polignac number, because 11492221 - 2¹ = 11492219 is a prime.

It is a super-2 number, since 2×11492221² = 264142287025682, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11492192 and 11492201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11492231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32755 + ... + 33103.

It is an arithmetic number, because the mean of its divisors is an integer number (826875).

Almost surely, 2^11492221 is an apocalyptic number.

It is an amenable number.

11492221 is a deficient number, since it is larger than the sum of its proper divisors (1737779).

11492221 is a wasteful number, since it uses less digits than its factorization.

11492221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 528.

The product of its digits is 288, while the sum is 22.

The square root of 11492221 is about 3390.0178465607. The cubic root of 11492221 is about 225.6669658206. Note that the first 3 decimals are identical.

The spelling of 11492221 in words is "eleven million, four hundred ninety-two thousand, two hundred twenty-one".