222231110032221 has 16 divisors (see below), whose sum is σ = 309560576636160. Its totient is φ = 141629021979200.

The previous prime is 222231110032133. The next prime is 222231110032249. The reversal of 222231110032221 is 122230011132222.

It is a cyclic number.

It is not a de Polignac number, because 222231110032221 - 2¹⁰ = 222231110031197 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 222231110032191 and 222231110032200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222231110032121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12645439605 + ... + 12645457178.

It is an arithmetic number, because the mean of its divisors is an integer number (19347536039760).

Almost surely, 2^{222231110032221} is an apocalyptic number.

It is an amenable number.

222231110032221 is a deficient number, since it is larger than the sum of its proper divisors (87329466603939).

222231110032221 is a wasteful number, since it uses less digits than its factorization.

222231110032221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25290896916.

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 222231110032221 its reverse (122230011132222), we get a palindrome (344461121164443).

The spelling of 222231110032221 in words is "two hundred twenty-two trillion, two hundred thirty-one billion, one hundred ten million, thirty-two thousand, two hundred twenty-one".