26222243878 has 16 divisors (see below), whose sum is σ = 42772692384. Its totient is φ = 12006368640.

The previous prime is 26222243851. The next prime is 26222243893. The reversal of 26222243878 is 87834222262.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10420938 + ... + 10423453.

It is an arithmetic number, because the mean of its divisors is an integer number (2673293274).

Almost surely, 2^26222243878 is an apocalyptic number.

26222243878 is a deficient number, since it is larger than the sum of its proper divisors (16550448506).

26222243878 is a wasteful number, since it uses less digits than its factorization.

26222243878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20844447.

The product of its digits is 1032192, while the sum is 46.

The spelling of 26222243878 in words is "twenty-six billion, two hundred twenty-two million, two hundred forty-three thousand, eight hundred seventy-eight".