2245243456 has 21 divisors (see below), whose sum is σ = 4456157331. Its totient is φ = 1122432192.

The previous prime is 2245243411. The next prime is 2245243493. The reversal of 2245243456 is 6543425422.

The square root of 2245243456 is 47384.

It is a perfect power (a square), and thus also a powerful number.

It is a super-2 number, since 2×2245243456² = 10082236353421647872, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 376111 + ... + 382033.

Almost surely, 2^2245243456 is an apocalyptic number.

2245243456 is the 47384-th square number.

It is an amenable number.

2245243456 is a deficient number, since it is larger than the sum of its proper divisors (2210913875).

2245243456 is an frugal number, since it uses more digits than its factorization.

2245243456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11858 (or 5925 counting only the distinct ones).

The product of its digits is 230400, while the sum is 37.

The cubic root of 2245243456 is about 1309.4466625630.

Multiplying 2245243456 by its product of digits (230400), we get a square (517304092262400 = 22744320²).

Adding to 2245243456 its reverse (6543425422), we get a palindrome (8788668878).

The spelling of 2245243456 in words is "two billion, two hundred forty-five million, two hundred forty-three thousand, four hundred fifty-six".