221233230310 has 16 divisors (see below), whose sum is σ = 421644509856. Its totient is φ = 83287804288.

The previous prime is 221233230307. The next prime is 221233230311. The reversal of 221233230310 is 13032332122.

It is a super-2 number, since 2×221233230310² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221233230311) 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, 650685802 + ... + 650686141.

It is an arithmetic number, because the mean of its divisors is an integer number (26352781866).

Almost surely, 2^221233230310 is an apocalyptic number.

221233230310 is a deficient number, since it is larger than the sum of its proper divisors (200411279546).

221233230310 is a wasteful number, since it uses less digits than its factorization.

221233230310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1301371967.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 221233230310 its reverse (13032332122), we get a palindrome (234265562432).

The spelling of 221233230310 in words is "two hundred twenty-one billion, two hundred thirty-three million, two hundred thirty thousand, three hundred ten".