10223023221 has 12 divisors (see below), whose sum is σ = 14777162400. Its totient is φ = 6810468840.

The previous prime is 10223023201. The next prime is 10223023241. The reversal of 10223023221 is 12232032201.

It is an interprime number because it is at equal distance from previous prime (10223023201) and next prime (10223023241).

It is not a de Polignac number, because 10223023221 - 2¹³ = 10223015029 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10223023194 and 10223023203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10223023201) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 393375 + ... + 418556.

It is an arithmetic number, because the mean of its divisors is an integer number (1231430200).

Almost surely, 2^10223023221 is an apocalyptic number.

It is an amenable number.

10223023221 is a deficient number, since it is larger than the sum of its proper divisors (4554139179).

10223023221 is a wasteful number, since it uses less digits than its factorization.

10223023221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 813336 (or 813333 counting only the distinct ones).

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

Adding to 10223023221 its reverse (12232032201), we get a palindrome (22455055422).

The spelling of 10223023221 in words is "ten billion, two hundred twenty-three million, twenty-three thousand, two hundred twenty-one".