2213919 has 16 divisors (see below), whose sum is σ = 3306240. Its totient is φ = 1464120.

The previous prime is 2213891. The next prime is 2213923. The reversal of 2213919 is 9193122.

It is not a de Polignac number, because 2213919 - 2¹⁶ = 2148383 is a prime.

It is a super-2 number, since 2×2213919² = 9802874677122, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 2213892 and 2213901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2211919) 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, 4264 + ... + 4754.

It is an arithmetic number, because the mean of its divisors is an integer number (206640).

2^2213919 is an apocalyptic number.

2213919 is a deficient number, since it is larger than the sum of its proper divisors (1092321).

2213919 is a wasteful number, since it uses less digits than its factorization.

2213919 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 667 (or 661 counting only the distinct ones).

The product of its digits is 972, while the sum is 27.

The square root of 2213919 is about 1487.9243932405. The cubic root of 2213919 is about 130.3328551092.

The spelling of 2213919 in words is "two million, two hundred thirteen thousand, nine hundred nineteen".