11254221 has 40 divisors (see below), whose sum is σ = 19445184. Its totient is φ = 6410880.

The previous prime is 11254207. The next prime is 11254223. The reversal of 11254221 is 12245211.

It is not a de Polignac number, because 11254221 - 2⁵ = 11254189 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11254194 and 11254203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11254223) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 14776 + ... + 15518.

Almost surely, 2^11254221 is an apocalyptic number.

11254221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11254221 is a deficient number, since it is larger than the sum of its proper divisors (8190963).

11254221 is a wasteful number, since it uses less digits than its factorization.

11254221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 783 (or 774 counting only the distinct ones).

The product of its digits is 160, while the sum is 18.

The square root of 11254221 is about 3354.7311367679. The cubic root of 11254221 is about 224.0982575414.

Adding to 11254221 its reverse (12245211), we get a palindrome (23499432).

The spelling of 11254221 in words is "eleven million, two hundred fifty-four thousand, two hundred twenty-one".