22251253151 has 4 divisors (see below), whose sum is σ = 22556064912. Its totient is φ = 21946441392.

The previous prime is 22251253127. The next prime is 22251253163. The reversal of 22251253151 is 15135215222.

It is a happy number.

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 22251253151 - 2¹⁴ = 22251236767 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22251253181) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 152405771 + ... + 152405916.

It is an arithmetic number, because the mean of its divisors is an integer number (5639016228).

Almost surely, 2^22251253151 is an apocalyptic number.

22251253151 is a deficient number, since it is larger than the sum of its proper divisors (304811761).

22251253151 is an equidigital number, since it uses as much as digits as its factorization.

22251253151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304811760.

The product of its digits is 6000, while the sum is 29.

Adding to 22251253151 its reverse (15135215222), we get a palindrome (37386468373).

The spelling of 22251253151 in words is "twenty-two billion, two hundred fifty-one million, two hundred fifty-three thousand, one hundred fifty-one".