22530550001 has 4 divisors (see below), whose sum is σ = 22955654772. Its totient is φ = 22105445232.

The previous prime is 22530549931. The next prime is 22530550027. The reversal of 22530550001 is 10005503522.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 16968970225 + 5561579776 = 130265^2 + 74576^2 .

It is a cyclic number.

It is not a de Polignac number, because 22530550001 - 2¹⁰ = 22530548977 is a prime.

It is a super-2 number, since 2×22530550001² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22530550201) 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, 212552306 + ... + 212552411.

It is an arithmetic number, because the mean of its divisors is an integer number (5738913693).

Almost surely, 2^22530550001 is an apocalyptic number.

It is an amenable number.

22530550001 is a deficient number, since it is larger than the sum of its proper divisors (425104771).

22530550001 is an equidigital number, since it uses as much as digits as its factorization.

22530550001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 425104770.

The product of its (nonzero) digits is 1500, while the sum is 23.

The spelling of 22530550001 in words is "twenty-two billion, five hundred thirty million, five hundred fifty thousand, one".