221132022 has 16 divisors (see below), whose sum is σ = 468279792. Its totient is φ = 69374720.

The previous prime is 221131997. The next prime is 221132029. The reversal of 221132022 is 220231122.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 221131992 and 221132010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221132029) 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, 1083879 + ... + 1084082.

It is an arithmetic number, because the mean of its divisors is an integer number (29267487).

Almost surely, 2^221132022 is an apocalyptic number.

221132022 is an abundant number, since it is smaller than the sum of its proper divisors (247147770).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

221132022 is a wasteful number, since it uses less digits than its factorization.

221132022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2167983.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 221132022 is about 14870.5084647432. The cubic root of 221132022 is about 604.7147274255.

Adding to 221132022 its reverse (220231122), we get a palindrome (441363144).

The spelling of 221132022 in words is "two hundred twenty-one million, one hundred thirty-two thousand, twenty-two".