22706221451 has 4 divisors (see below), whose sum is σ = 22707486504. Its totient is φ = 22704956400.

The previous prime is 22706221441. The next prime is 22706221463. The reversal of 22706221451 is 15412260722.

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 22706221451 - 2¹⁸ = 22705959307 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22706221441) 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, 605210 + ... + 641631.

It is an arithmetic number, because the mean of its divisors is an integer number (5676871626).

Almost surely, 2^22706221451 is an apocalyptic number.

22706221451 is a deficient number, since it is larger than the sum of its proper divisors (1265053).

22706221451 is a wasteful number, since it uses less digits than its factorization.

22706221451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1265052.

The product of its (nonzero) digits is 13440, while the sum is 32.

The spelling of 22706221451 in words is "twenty-two billion, seven hundred six million, two hundred twenty-one thousand, four hundred fifty-one".