2223523450 has 24 divisors (see below), whose sum is σ = 4353426720. Its totient is φ = 842598000.

The previous prime is 2223523447. The next prime is 2223523457. The reversal of 2223523450 is 543253222.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2223523457) 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, 1169326 + ... + 1171225.

It is an arithmetic number, because the mean of its divisors is an integer number (181392780).

Almost surely, 2^2223523450 is an apocalyptic number.

2223523450 is a deficient number, since it is larger than the sum of its proper divisors (2129903270).

2223523450 is a wasteful number, since it uses less digits than its factorization.

2223523450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2340582 (or 2340577 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 28.

The square root of 2223523450 is about 47154.2516640865. The cubic root of 2223523450 is about 1305.2105374171.

Adding to 2223523450 its reverse (543253222), we get a palindrome (2766776672).

The spelling of 2223523450 in words is "two billion, two hundred twenty-three million, five hundred twenty-three thousand, four hundred fifty".