22201321441 has 4 divisors (see below), whose sum is σ = 23909115412. Its totient is φ = 20493527472.

The previous prime is 22201321433. The next prime is 22201321453. The reversal of 22201321441 is 14412310222.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 14412310222 = 2 ⋅7206155111.

It can be written as a sum of positive squares in 2 ways, for example, as 8778940416 + 13422381025 = 93696^2 + 115855^2 .

It is a cyclic number.

It is not a de Polignac number, because 22201321441 - 2³ = 22201321433 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22201325441) 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, 853896966 + ... + 853896991.

It is an arithmetic number, because the mean of its divisors is an integer number (5977278853).

Almost surely, 2^22201321441 is an apocalyptic number.

It is an amenable number.

22201321441 is a deficient number, since it is larger than the sum of its proper divisors (1707793971).

22201321441 is a wasteful number, since it uses less digits than its factorization.

22201321441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1707793970.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 22201321441 its reverse (14412310222), we get a palindrome (36613631663).

The spelling of 22201321441 in words is "twenty-two billion, two hundred one million, three hundred twenty-one thousand, four hundred forty-one".