2256463230422 has 4 divisors (see below), whose sum is σ = 3384694845636. Its totient is φ = 1128231615210.

The previous prime is 2256463230409. The next prime is 2256463230481. The reversal of 2256463230422 is 2240323646522.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 2256463230422.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 564115807604 + ... + 564115807607.

It is an arithmetic number, because the mean of its divisors is an integer number (846173711409).

Almost surely, 2^{2256463230422} is an apocalyptic number.

2256463230422 is a deficient number, since it is larger than the sum of its proper divisors (1128231615214).

2256463230422 is a wasteful number, since it uses less digits than its factorization.

2256463230422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1128231615213.

The product of its (nonzero) digits is 829440, while the sum is 41.

Adding to 2256463230422 its reverse (2240323646522), we get a palindrome (4496786876944).

The spelling of 2256463230422 in words is "two trillion, two hundred fifty-six billion, four hundred sixty-three million, two hundred thirty thousand, four hundred twenty-two".