22722887251 has 8 divisors (see below), whose sum is σ = 23039982000. Its totient is φ = 22407987360.

The previous prime is 22722887249. The next prime is 22722887261. The reversal of 22722887251 is 15278822722.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22722887251 - 2¹ = 22722887249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22722887261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 527860 + ... + 569281.

It is an arithmetic number, because the mean of its divisors is an integer number (2879997750).

Almost surely, 2^22722887251 is an apocalyptic number.

22722887251 is a deficient number, since it is larger than the sum of its proper divisors (317094749).

22722887251 is a wasteful number, since it uses less digits than its factorization.

22722887251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1097429.

The product of its digits is 501760, while the sum is 46.

The spelling of 22722887251 in words is "twenty-two billion, seven hundred twenty-two million, eight hundred eighty-seven thousand, two hundred fifty-one".