2220472 has 32 divisors (see below), whose sum is σ = 4568400. Its totient is φ = 1007104.

The previous prime is 2220467. The next prime is 2220479. The reversal of 2220472 is 2740222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2220479) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3663 + ... + 4225.

2^2220472 is an apocalyptic number.

It is an amenable number.

2220472 is an abundant number, since it is smaller than the sum of its proper divisors (2347928).

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

2220472 is a wasteful number, since it uses less digits than its factorization.

2220472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 615 (or 611 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 19.

The square root of 2220472 is about 1490.1248269860. The cubic root of 2220472 is about 130.4613195991.

Adding to 2220472 its reverse (2740222), we get a palindrome (4960694).

The spelling of 2220472 in words is "two million, two hundred twenty thousand, four hundred seventy-two".