222331343133221 has 16 divisors (see below), whose sum is σ = 265144271520000. Its totient is φ = 182281478467968.

The previous prime is 222331343133023. The next prime is 222331343133227. The reversal of 222331343133221 is 122331343133222.

222331343133221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 222331343133221 - 2⁴² = 217933296622117 is a prime.

It is a super-2 number, since 2×222331343133221² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222331343133227) 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, 1481195 + ... + 21138983.

It is an arithmetic number, because the mean of its divisors is an integer number (16571516970000).

Almost surely, 2^{222331343133221} is an apocalyptic number.

It is an amenable number.

222331343133221 is a deficient number, since it is larger than the sum of its proper divisors (42812928386779).

222331343133221 is a wasteful number, since it uses less digits than its factorization.

222331343133221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19728068.

The product of its digits is 93312, while the sum is 35.

Adding to 222331343133221 its reverse (122331343133222), we get a palindrome (344662686266443).

Subtracting from 222331343133221 its reverse (122331343133222), we obtain a palindrome (99999999999999).

The spelling of 222331343133221 in words is "two hundred twenty-two trillion, three hundred thirty-one billion, three hundred forty-three million, one hundred thirty-three thousand, two hundred twenty-one".