23220221003 has 8 divisors (see below), whose sum is σ = 26556622560. Its totient is φ = 19888626240.

The previous prime is 23220220979. The next prime is 23220221111. The reversal of 23220221003 is 30012202232.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 23220221003 - 2¹² = 23220216907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23220221203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1191338 + ... + 1210671.

It is an arithmetic number, because the mean of its divisors is an integer number (3319577820).

Almost surely, 2^23220221003 is an apocalyptic number.

23220221003 is a deficient number, since it is larger than the sum of its proper divisors (3336401557).

23220221003 is a wasteful number, since it uses less digits than its factorization.

23220221003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2403397.

The product of its (nonzero) digits is 288, while the sum is 17.

Adding to 23220221003 its reverse (30012202232), we get a palindrome (53232423235).

The spelling of 23220221003 in words is "twenty-three billion, two hundred twenty million, two hundred twenty-one thousand, three".