2219472 has 30 divisors (see below), whose sum is σ = 6211842. Its totient is φ = 739776.

The previous prime is 2219471. The next prime is 2219489. The reversal of 2219472 is 2749122.

2219472 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 2143296 + 76176 = 1464^2 + 276^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2219471) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 7563 + ... + 7850.

2^2219472 is an apocalyptic number.

It is an amenable number.

2219472 is an abundant number, since it is smaller than the sum of its proper divisors (3992370).

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

2219472 is a wasteful number, since it uses less digits than its factorization.

2219472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15427 (or 15418 counting only the distinct ones).

The product of its digits is 2016, while the sum is 27.

The square root of 2219472 is about 1489.7892468400. The cubic root of 2219472 is about 130.4417320355.

The spelling of 2219472 in words is "two million, two hundred nineteen thousand, four hundred seventy-two".