221300332022 has 32 divisors (see below), whose sum is σ = 413882452224. Its totient is φ = 86216306400.

The previous prime is 221300331953. The next prime is 221300332031. The reversal of 221300332022 is 220233003122.

It is a junction number, because it is equal to n+sod(n) for n = 221300331985 and 221300332003.

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, 4987997 + ... + 5032167.

It is an arithmetic number, because the mean of its divisors is an integer number (12933826632).

Almost surely, 2^221300332022 is an apocalyptic number.

221300332022 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

221300332022 is a deficient number, since it is larger than the sum of its proper divisors (192582120202).

221300332022 is a wasteful number, since it uses less digits than its factorization.

221300332022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76724.

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 221300332022 its reverse (220233003122), we get a palindrome (441533335144).

Subtracting from 221300332022 its reverse (220233003122), we obtain a square (1067328900 = 32670²).

The spelling of 221300332022 in words is "two hundred twenty-one billion, three hundred million, three hundred thirty-two thousand, twenty-two".