2223453220 has 12 divisors (see below), whose sum is σ = 4669251804. Its totient is φ = 889381280.

The previous prime is 2223453203. The next prime is 2223453277. The reversal of 2223453220 is 223543222.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1090188324 + 1133264896 = 33018^2 + 33664^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55586311 + ... + 55586350.

It is an arithmetic number, because the mean of its divisors is an integer number (389104317).

Almost surely, 2^2223453220 is an apocalyptic number.

2223453220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2223453220 is an abundant number, since it is smaller than the sum of its proper divisors (2445798584).

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

2223453220 is a wasteful number, since it uses less digits than its factorization.

2223453220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111172670 (or 111172668 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 25.

The square root of 2223453220 is about 47153.5069745613. The cubic root of 2223453220 is about 1305.1967955785.

Adding to 2223453220 its reverse (223543222), we get a palindrome (2446996442).

The spelling of 2223453220 in words is "two billion, two hundred twenty-three million, four hundred fifty-three thousand, two hundred twenty".