220244253 has 8 divisors (see below), whose sum is σ = 294953568. Its totient is φ = 146182224.

The previous prime is 220244207. The next prime is 220244261. The reversal of 220244253 is 352442022.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 220244253 - 2⁹ = 220243741 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220244273) 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, 161026 + ... + 162387.

It is an arithmetic number, because the mean of its divisors is an integer number (36869196).

Almost surely, 2^220244253 is an apocalyptic number.

It is an amenable number.

220244253 is a deficient number, since it is larger than the sum of its proper divisors (74709315).

220244253 is a wasteful number, since it uses less digits than its factorization.

220244253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 323643.

The product of its (nonzero) digits is 3840, while the sum is 24.

The square root of 220244253 is about 14840.6284570432. The cubic root of 220244253 is about 603.9044015256.

Adding to 220244253 its reverse (352442022), we get a palindrome (572686275).

The spelling of 220244253 in words is "two hundred twenty million, two hundred forty-four thousand, two hundred fifty-three".