2220453 has 20 divisors (see below), whose sum is σ = 3368640. Its totient is φ = 1457352.

The previous prime is 2220431. The next prime is 2220457. The reversal of 2220453 is 3540222.

It is not a de Polignac number, because 2220453 - 2⁶ = 2220389 is a prime.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2220457) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 6226 + ... + 6572.

It is an arithmetic number, because the mean of its divisors is an integer number (168432).

2^2220453 is an apocalyptic number.

It is an amenable number.

2220453 is a deficient number, since it is larger than the sum of its proper divisors (1148187).

2220453 is an equidigital number, since it uses as much as digits as its factorization.

2220453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 438 (or 429 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

The square root of 2220453 is about 1490.1184516675. The cubic root of 2220453 is about 130.4609474902.

Adding to 2220453 its reverse (3540222), we get a palindrome (5760675).

The spelling of 2220453 in words is "two million, two hundred twenty thousand, four hundred fifty-three".