22500300001 has 3 divisors (see below), whose sum is σ = 22500450003. Its totient is φ = 22500150000.

The previous prime is 22500299971. The next prime is 22500300007. The reversal of 22500300001 is 10000300522.

The square root of 22500300001 is 150001.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 10000300522 = 2 ⋅5000150261.

It can be written as a sum of positive squares in only one way, i.e., 7752626401 + 14747673600 = 88049^2 + 121440^2 .

It is not a de Polignac number, because 22500300001 - 2¹⁵ = 22500267233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22500300007) 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 2 ways as a sum of consecutive naturals, for example, 75001 + ... + 225001.

It is an arithmetic number, because the mean of its divisors is an integer number (7500150001).

Almost surely, 2^22500300001 is an apocalyptic number.

22500300001 is the 150001-st square number.

22500300001 is the 75001-st centered octagonal number.

It is an amenable number.

22500300001 is a deficient number, since it is larger than the sum of its proper divisors (150002).

22500300001 is an frugal number, since it uses more digits than its factorization.

22500300001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300002 (or 150001 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 13.

Adding to 22500300001 its reverse (10000300522), we get a palindrome (32500600523).

The spelling of 22500300001 in words is "twenty-two billion, five hundred million, three hundred thousand, one".