22451242512251 has 6 divisors (see below), whose sum is σ = 26116751493900. Its totient is φ = 19243922153316.

The previous prime is 22451242512221. The next prime is 22451242512263. The reversal of 22451242512251 is 15221524215422.

It is not a de Polignac number, because 22451242512251 - 2⁶ = 22451242512187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22451242512221) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 229094311301 + ... + 229094311398.

It is an arithmetic number, because the mean of its divisors is an integer number (4352791915650).

Almost surely, 2^{22451242512251} is an apocalyptic number.

22451242512251 is a deficient number, since it is larger than the sum of its proper divisors (3665508981649).

22451242512251 is an equidigital number, since it uses as much as digits as its factorization.

22451242512251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 458188622713 (or 458188622706 counting only the distinct ones).

The product of its digits is 128000, while the sum is 38.

Adding to 22451242512251 its reverse (15221524215422), we get a palindrome (37672766727673).

The spelling of 22451242512251 in words is "twenty-two trillion, four hundred fifty-one billion, two hundred forty-two million, five hundred twelve thousand, two hundred fifty-one".