22320061201 has 3 divisors (see below), whose sum is σ = 22320210601. Its totient is φ = 22319911802.

The previous prime is 22320061171. The next prime is 22320061229. The reversal of 22320061201 is 10216002322.

The square root of 22320061201 is 149399.

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.

It is not a de Polignac number, because 22320061201 - 2²⁵ = 22286506769 is a prime.

It is a super-3 number, since 3×22320061201³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22320061261) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 74700 + ... + 224098.

Almost surely, 2^22320061201 is an apocalyptic number.

22320061201 is the 149399-th square number.

22320061201 is the 74700-th centered octagonal number.

It is an amenable number.

22320061201 is a deficient number, since it is larger than the sum of its proper divisors (149400).

22320061201 is an frugal number, since it uses more digits than its factorization.

22320061201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298798 (or 149399 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 22320061201 its reverse (10216002322), we get a palindrome (32536063523).

The spelling of 22320061201 in words is "twenty-two billion, three hundred twenty million, sixty-one thousand, two hundred one".