2221219 has 24 divisors (see below), whose sum is σ = 3045168. Its totient is φ = 1592640.

The previous prime is 2221217. The next prime is 2221229. The reversal of 2221219 is 9121222.

It is not a de Polignac number, because 2221219 - 2¹ = 2221217 is a prime.

It is a super-2 number, since 2×2221219² = 9867627691922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2221196 and 2221205.

It is not an unprimeable number, because it can be changed into a prime (2221217) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6849 + ... + 7165.

It is an arithmetic number, because the mean of its divisors is an integer number (126882).

2^2221219 is an apocalyptic number.

2221219 is a deficient number, since it is larger than the sum of its proper divisors (823949).

2221219 is a wasteful number, since it uses less digits than its factorization.

2221219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355 (or 348 counting only the distinct ones).

The product of its digits is 144, while the sum is 19.

The square root of 2221219 is about 1490.3754560513. The cubic root of 2221219 is about 130.4759476720.

It can be divided in two parts, 222 and 1219, that added together give a palindrome (1441).

The spelling of 2221219 in words is "two million, two hundred twenty-one thousand, two hundred nineteen".