22201321230 has 48 divisors (see below), whose sum is σ = 62971023024. Its totient is φ = 5382138240.

The previous prime is 22201321217. The next prime is 22201321237. The reversal of 22201321230 is 3212310222.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22201321237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11211799 + ... + 11213778.

It is an arithmetic number, because the mean of its divisors is an integer number (1311896313).

Almost surely, 2^22201321230 is an apocalyptic number.

22201321230 is an abundant number, since it is smaller than the sum of its proper divisors (40769701794).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22201321230 is a wasteful number, since it uses less digits than its factorization.

22201321230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22425601 (or 22425598 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 22201321230 its reverse (3212310222), we get a palindrome (25413631452).

The spelling of 22201321230 in words is "twenty-two billion, two hundred one million, three hundred twenty-one thousand, two hundred thirty".