22453251451 has 4 divisors (see below), whose sum is σ = 22760830312. Its totient is φ = 22145672592.

The previous prime is 22453251407. The next prime is 22453251473. The reversal of 22453251451 is 15415235422.

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 22453251451 - 2²⁹ = 21916380539 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22453251481) 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, 153789321 + ... + 153789466.

It is an arithmetic number, because the mean of its divisors is an integer number (5690207578).

Almost surely, 2^22453251451 is an apocalyptic number.

22453251451 is a deficient number, since it is larger than the sum of its proper divisors (307578861).

22453251451 is an equidigital number, since it uses as much as digits as its factorization.

22453251451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 307578860.

The product of its digits is 48000, while the sum is 34.

Adding to 22453251451 its reverse (15415235422), we get a palindrome (37868486873).

The spelling of 22453251451 in words is "twenty-two billion, four hundred fifty-three million, two hundred fifty-one thousand, four hundred fifty-one".