2220473 has 4 divisors (see below), whose sum is σ = 2337360. Its totient is φ = 2103588.

The previous prime is 2220467. The next prime is 2220479. The reversal of 2220473 is 3740222.

It is a happy number.

2220473 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3740222 = 2 ⋅1870111.

It is an interprime number because it is at equal distance from previous prime (2220467) and next prime (2220479).

It is a cyclic number.

It is not a de Polignac number, because 2220473 - 2⁴ = 2220457 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2220479) 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 3 ways as a sum of consecutive naturals, for example, 58415 + ... + 58452.

It is an arithmetic number, because the mean of its divisors is an integer number (584340).

2^2220473 is an apocalyptic number.

It is an amenable number.

2220473 is a deficient number, since it is larger than the sum of its proper divisors (116887).

2220473 is a wasteful number, since it uses less digits than its factorization.

2220473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116886.

The product of its (nonzero) digits is 672, while the sum is 20.

The square root of 2220473 is about 1490.1251625283. The cubic root of 2220473 is about 130.4613391837.

Adding to 2220473 its reverse (3740222), we get a palindrome (5960695).

The spelling of 2220473 in words is "two million, two hundred twenty thousand, four hundred seventy-three".