2234243421225 has 72 divisors (see below), whose sum is σ = 4008560748192. Its totient is φ = 1189578873600.

The previous prime is 2234243421181. The next prime is 2234243421239. The reversal of 2234243421225 is 5221243424322.

2234243421225 is a `hidden beast` number, since 2 + 2 + 3 + 4 + 2 + 4 + 3 + 421 + 225 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-2234243421225 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2234243421225.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 396069405 + ... + 396075045.

It is an arithmetic number, because the mean of its divisors is an integer number (55674454836).

Almost surely, 2^{2234243421225} is an apocalyptic number.

2234243421225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2234243421225 is a deficient number, since it is larger than the sum of its proper divisors (1774317326967).

2234243421225 is a wasteful number, since it uses less digits than its factorization.

2234243421225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8327 (or 8319 counting only the distinct ones).

The product of its digits is 184320, while the sum is 36.

Adding to 2234243421225 its reverse (5221243424322), we get a palindrome (7455486845547).

The spelling of 2234243421225 in words is "two trillion, two hundred thirty-four billion, two hundred forty-three million, four hundred twenty-one thousand, two hundred twenty-five".