221302303222 has 32 divisors (see below), whose sum is σ = 445699747584. Its totient is φ = 79589239200.

The previous prime is 221302303199. The next prime is 221302303283. The reversal of 221302303222 is 222303203122.

It is a super-2 number, since 2×221302303222² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 221302303193 and 221302303202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55268304 + ... + 55272307.

It is an arithmetic number, because the mean of its divisors is an integer number (13928117112).

Almost surely, 2^221302303222 is an apocalyptic number.

221302303222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

221302303222 is an abundant number, since it is smaller than the sum of its proper divisors (224397444362).

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

221302303222 is a wasteful number, since it uses less digits than its factorization.

221302303222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110540644.

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 221302303222 its reverse (222303203122), we get a palindrome (443605506344).

The spelling of 221302303222 in words is "two hundred twenty-one billion, three hundred two million, three hundred three thousand, two hundred twenty-two".