23220003001 has 16 divisors (see below), whose sum is σ = 25275219984. Its totient is φ = 21204301824.

The previous prime is 23220002987. The next prime is 23220003049. The reversal of 23220003001 is 10030002232.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 996349225 + 22223653776 = 31565^2 + 149076^2 .

It is a cyclic number.

It is not a de Polignac number, because 23220003001 - 2¹⁵ = 23219970233 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23220007001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 499585 + ... + 544081.

It is an arithmetic number, because the mean of its divisors is an integer number (1579701249).

Almost surely, 2^23220003001 is an apocalyptic number.

It is an amenable number.

23220003001 is a deficient number, since it is larger than the sum of its proper divisors (2055216983).

23220003001 is a wasteful number, since it uses less digits than its factorization.

23220003001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44940.

The product of its (nonzero) digits is 72, while the sum is 13.

Adding to 23220003001 its reverse (10030002232), we get a palindrome (33250005233).

The spelling of 23220003001 in words is "twenty-three billion, two hundred twenty million, three thousand, one".