12254219 has 4 divisors (see below), whose sum is σ = 12373296. Its totient is φ = 12135144.

The previous prime is 12254213. The next prime is 12254227. The reversal of 12254219 is 91245221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 91245221 = 1619 ⋅56359.

It is a cyclic number.

It is not a de Polignac number, because 12254219 - 2²⁰ = 11205643 is a prime.

It is a super-2 number, since 2×12254219² = 300331766599922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12254213) 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, 59384 + ... + 59589.

It is an arithmetic number, because the mean of its divisors is an integer number (3093324).

Almost surely, 2^12254219 is an apocalyptic number.

12254219 is a deficient number, since it is larger than the sum of its proper divisors (119077).

12254219 is a wasteful number, since it uses less digits than its factorization.

12254219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119076.

The product of its digits is 1440, while the sum is 26.

The square root of 12254219 is about 3500.6026623997. The cubic root of 12254219 is about 230.5482760969.

The spelling of 12254219 in words is "twelve million, two hundred fifty-four thousand, two hundred nineteen".