11419221 has 16 divisors (see below), whose sum is σ = 16925760. Its totient is φ = 6789120.

The previous prime is 11419193. The next prime is 11419229. The reversal of 11419221 is 12291411.

It is a happy number.

It is not a de Polignac number, because 11419221 - 2⁶ = 11419157 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11419229) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1516 + ... + 5013.

It is an arithmetic number, because the mean of its divisors is an integer number (1057860).

Almost surely, 2^11419221 is an apocalyptic number.

11419221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11419221 is a deficient number, since it is larger than the sum of its proper divisors (5506539).

11419221 is a wasteful number, since it uses less digits than its factorization.

11419221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6596.

The product of its digits is 144, while the sum is 21.

The square root of 11419221 is about 3379.2337888936. The cubic root of 11419221 is about 225.1881290757.

The spelling of 11419221 in words is "eleven million, four hundred nineteen thousand, two hundred twenty-one".