10550221223 has 2 divisors, whose sum is σ = 10550221224. Its totient is φ = 10550221222.

The previous prime is 10550221189. The next prime is 10550221259. The reversal of 10550221223 is 32212205501.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10550221223 - 2¹² = 10550217127 is a prime.

It is a super-2 number, since 2×10550221223² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10550251223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5275110611 + 5275110612.

It is an arithmetic number, because the mean of its divisors is an integer number (5275110612).

Almost surely, 2^10550221223 is an apocalyptic number.

10550221223 is a deficient number, since it is larger than the sum of its proper divisors (1).

10550221223 is an equidigital number, since it uses as much as digits as its factorization.

10550221223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1200, while the sum is 23.

Adding to 10550221223 its reverse (32212205501), we get a palindrome (42762426724).

The spelling of 10550221223 in words is "ten billion, five hundred fifty million, two hundred twenty-one thousand, two hundred twenty-three".