2219290 has 16 divisors (see below), whose sum is σ = 4124160. Its totient is φ = 858960.

The previous prime is 2219281. The next prime is 2219309. The reversal of 2219290 is 929122.

2219290 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3270 + ... + 3889.

It is an arithmetic number, because the mean of its divisors is an integer number (257760).

2^2219290 is an apocalyptic number.

2219290 is a deficient number, since it is larger than the sum of its proper divisors (1904870).

2219290 is a wasteful number, since it uses less digits than its factorization.

2219290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7197.

The product of its (nonzero) digits is 648, while the sum is 25.

The square root of 2219290 is about 1489.7281631224. The cubic root of 2219290 is about 130.4381664662.

The spelling of 2219290 in words is "two million, two hundred nineteen thousand, two hundred ninety".