22010000321 has 4 divisors (see below), whose sum is σ = 22288608000. Its totient is φ = 21731392644.

The previous prime is 22010000293. The next prime is 22010000323. The reversal of 22010000321 is 12300001022.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22010000321 is a prime.

It is a super-2 number, since 2×22010000321² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22010000323) 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, 139303721 + ... + 139303878.

It is an arithmetic number, because the mean of its divisors is an integer number (5572152000).

Almost surely, 2^22010000321 is an apocalyptic number.

It is an amenable number.

22010000321 is a deficient number, since it is larger than the sum of its proper divisors (278607679).

22010000321 is an equidigital number, since it uses as much as digits as its factorization.

22010000321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278607678.

The product of its (nonzero) digits is 24, while the sum is 11.

Adding to 22010000321 its reverse (12300001022), we get a palindrome (34310001343).

The spelling of 22010000321 in words is "twenty-two billion, ten million, three hundred twenty-one", and thus it is an aban number.