22152451305 has 8 divisors (see below), whose sum is σ = 35443922112. Its totient is φ = 11814640688.

The previous prime is 22152451261. The next prime is 22152451309. The reversal of 22152451305 is 50315425122.

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 22152451305 - 2⁸ = 22152451049 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22152451309) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 738415029 + ... + 738415058.

It is an arithmetic number, because the mean of its divisors is an integer number (4430490264).

Almost surely, 2^22152451305 is an apocalyptic number.

It is an amenable number.

22152451305 is a deficient number, since it is larger than the sum of its proper divisors (13291470807).

22152451305 is a wasteful number, since it uses less digits than its factorization.

22152451305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1476830095.

The product of its (nonzero) digits is 12000, while the sum is 30.

Adding to 22152451305 its reverse (50315425122), we get a palindrome (72467876427).

The spelling of 22152451305 in words is "twenty-two billion, one hundred fifty-two million, four hundred fifty-one thousand, three hundred five".