22145412451 has 8 divisors (see below), whose sum is σ = 22940442000. Its totient is φ = 21362520960.

The previous prime is 22145412439. The next prime is 22145412469. The reversal of 22145412451 is 15421454122.

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 22145412451 - 2¹⁹ = 22144888163 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22145416451) 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, 3030801 + ... + 3038098.

It is an arithmetic number, because the mean of its divisors is an integer number (2867555250).

Almost surely, 2^22145412451 is an apocalyptic number.

22145412451 is a deficient number, since it is larger than the sum of its proper divisors (795029549).

22145412451 is an equidigital number, since it uses as much as digits as its factorization.

22145412451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6069029.

The product of its digits is 12800, while the sum is 31.

Adding to 22145412451 its reverse (15421454122), we get a palindrome (37566866573).

The spelling of 22145412451 in words is "twenty-two billion, one hundred forty-five million, four hundred twelve thousand, four hundred fifty-one".