4220253 has 12 divisors (see below), whose sum is σ = 6245148. Its totient is φ = 2744640.

The previous prime is 4220243. The next prime is 4220269. The reversal of 4220253 is 3520224.

It can be written as a sum of positive squares in 2 ways, for example, as 636804 + 3583449 = 798^2 + 1893^2 .

It is not a de Polignac number, because 4220253 - 2⁶ = 4220189 is a prime.

It is a Curzon number.

4220253 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4220243) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5350 + ... + 6087.

It is an arithmetic number, because the mean of its divisors is an integer number (520429).

Almost surely, 2^4220253 is an apocalyptic number.

It is an amenable number.

4220253 is a deficient number, since it is larger than the sum of its proper divisors (2024895).

4220253 is a wasteful number, since it uses less digits than its factorization.

4220253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11484 (or 11481 counting only the distinct ones).

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

The square root of 4220253 is about 2054.3254367310. The cubic root of 4220253 is about 161.6017883057.

Adding to 4220253 its reverse (3520224), we get a palindrome (7740477).

The spelling of 4220253 in words is "four million, two hundred twenty thousand, two hundred fifty-three".