2244446220 has 48 divisors (see below), whose sum is σ = 6345480960. Its totient is φ = 592706496.

The previous prime is 2244446209. The next prime is 2244446297. The reversal of 2244446220 is 226444422.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 175410 + ... + 187769.

It is an arithmetic number, because the mean of its divisors is an integer number (132197520).

Almost surely, 2^2244446220 is an apocalyptic number.

2244446220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2244446220 is an abundant number, since it is smaller than the sum of its proper divisors (4101034740).

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

2244446220 is a wasteful number, since it uses less digits than its factorization.

2244446220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 363294 (or 363292 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 30.

The square root of 2244446220 is about 47375.5867509839. The cubic root of 2244446220 is about 1309.2916590895.

It can be divided in two parts, 224 and 4446220, that added together give a palindrome (4446444).

The spelling of 2244446220 in words is "two billion, two hundred forty-four million, four hundred forty-six thousand, two hundred twenty".