25222613820443 has 4 divisors (see below), whose sum is σ = 27162814883568. Its totient is φ = 23282412757320.

The previous prime is 25222613820421. The next prime is 25222613820451. The reversal of 25222613820443 is 34402831622252.

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

It is a cyclic number.

It is not a de Polignac number, because 25222613820443 - 2¹² = 25222613816347 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25222613820394 and 25222613820403.

It is not an unprimeable number, because it can be changed into a prime (25222613825443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 970100531543 + ... + 970100531568.

It is an arithmetic number, because the mean of its divisors is an integer number (6790703720892).

Almost surely, 2^{25222613820443} is an apocalyptic number.

25222613820443 is a deficient number, since it is larger than the sum of its proper divisors (1940201063125).

25222613820443 is a wasteful number, since it uses less digits than its factorization.

25222613820443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1940201063124.

The product of its (nonzero) digits is 1105920, while the sum is 44.

The spelling of 25222613820443 in words is "twenty-five trillion, two hundred twenty-two billion, six hundred thirteen million, eight hundred twenty thousand, four hundred forty-three".