221222043133 has 32 divisors (see below), whose sum is σ = 275945241600. Its totient is φ = 172675915776.

The previous prime is 221222043079. The next prime is 221222043209. The reversal of 221222043133 is 331340222122.

It is not a de Polignac number, because 221222043133 - 2²⁹ = 220685172221 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 221222043098 and 221222043107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221222043433) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9254685 + ... + 9278557.

It is an arithmetic number, because the mean of its divisors is an integer number (8623288800).

Almost surely, 2^221222043133 is an apocalyptic number.

It is an amenable number.

221222043133 is a deficient number, since it is larger than the sum of its proper divisors (54723198467).

221222043133 is a wasteful number, since it uses less digits than its factorization.

221222043133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25261.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 221222043133 its reverse (331340222122), we get a palindrome (552562265255).

The spelling of 221222043133 in words is "two hundred twenty-one billion, two hundred twenty-two million, forty-three thousand, one hundred thirty-three".