2122256636246 has 4 divisors (see below), whose sum is σ = 3183384954372. Its totient is φ = 1061128318122.

The previous prime is 2122256636207. The next prime is 2122256636257. The reversal of 2122256636246 is 6426366522212.

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 2122256636246.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 530564159060 + ... + 530564159063.

It is an arithmetic number, because the mean of its divisors is an integer number (795846238593).

Almost surely, 2^{2122256636246} is an apocalyptic number.

2122256636246 is a deficient number, since it is larger than the sum of its proper divisors (1061128318126).

2122256636246 is a wasteful number, since it uses less digits than its factorization.

2122256636246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1061128318125.

The product of its digits is 2488320, while the sum is 47.

The spelling of 2122256636246 in words is "two trillion, one hundred twenty-two billion, two hundred fifty-six million, six hundred thirty-six thousand, two hundred forty-six".