221013022 has 16 divisors (see below), whose sum is σ = 351296352. Its totient is φ = 103924480.

The previous prime is 221013019. The next prime is 221013029. The reversal of 221013022 is 220310122.

It is a junction number, because it is equal to n+sod(n) for n = 221012993 and 221013011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221013029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81663 + ... + 84325.

It is an arithmetic number, because the mean of its divisors is an integer number (21956022).

Almost surely, 2^221013022 is an apocalyptic number.

221013022 is a deficient number, since it is larger than the sum of its proper divisors (130283330).

221013022 is a wasteful number, since it uses less digits than its factorization.

221013022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5123.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 221013022 is about 14866.5067181231. The cubic root of 221013022 is about 604.6062342213.

Adding to 221013022 its reverse (220310122), we get a palindrome (441323144).

The spelling of 221013022 in words is "two hundred twenty-one million, thirteen thousand, twenty-two".