2122254868 has 12 divisors (see below), whose sum is σ = 3738542752. Its totient is φ = 1054099800.

The previous prime is 2122254863. The next prime is 2122254899. The reversal of 2122254868 is 8684522212.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 2122254868.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2122254863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1756230 + ... + 1757437.

Almost surely, 2^2122254868 is an apocalyptic number.

It is an amenable number.

2122254868 is a deficient number, since it is larger than the sum of its proper divisors (1616287884).

2122254868 is a wasteful number, since it uses less digits than its factorization.

2122254868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3513822 (or 3513820 counting only the distinct ones).

The product of its digits is 122880, while the sum is 40.

The square root of 2122254868 is about 46067.9375270914. The cubic root of 2122254868 is about 1285.0869483475.

The spelling of 2122254868 in words is "two billion, one hundred twenty-two million, two hundred fifty-four thousand, eight hundred sixty-eight".