2219490 has 96 divisors (see below), whose sum is σ = 7128576. Its totient is φ = 466560.

The previous prime is 2219489. The next prime is 2219491. The reversal of 2219490 is 949122.

2219490 is digitally balanced in base 8, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2219489) and next prime (2219491).

It is a super-2 number, since 2×2219490² = 9852271720200, which contains 22 as substring.

2219490 is strictly pandigital in base 8.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2219491) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8055 + ... + 8325.

It is an arithmetic number, because the mean of its divisors is an integer number (74256).

2^2219490 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2219490, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3564288).

2219490 is an abundant number, since it is smaller than the sum of its proper divisors (4909086).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2219490 is a wasteful number, since it uses less digits than its factorization.

2219490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304 (or 301 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 2219490 is about 1489.7952879507. The cubic root of 2219490 is about 130.4420846637.

The spelling of 2219490 in words is "two million, two hundred nineteen thousand, four hundred ninety".