2244031220 has 12 divisors (see below), whose sum is σ = 4712465604. Its totient is φ = 897612480.

The previous prime is 2244031219. The next prime is 2244031291. The reversal of 2244031220 is 221304422.

It can be written as a sum of positive squares in 2 ways, for example, as 1587544336 + 656486884 = 39844^2 + 25622^2 .

It is a super-2 number, since 2×2244031220² = 10071352232669376800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 112201561 = 2244031220 / (2 + 2 + 4 + 4 + 0 + 3 + 1 + 2 + 2 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 2244031192 and 2244031201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56100761 + ... + 56100800.

It is an arithmetic number, because the mean of its divisors is an integer number (392705467).

Almost surely, 2^2244031220 is an apocalyptic number.

2244031220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2244031220 is an abundant number, since it is smaller than the sum of its proper divisors (2468434384).

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

2244031220 is a wasteful number, since it uses less digits than its factorization.

2244031220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112201570 (or 112201568 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 2244031220 is about 47371.2066555202. The cubic root of 2244031220 is about 1309.2109577378.

Adding to 2244031220 its reverse (221304422), we get a palindrome (2465335642).

The spelling of 2244031220 in words is "two billion, two hundred forty-four million, thirty-one thousand, two hundred twenty".