221320230032222 has 32 divisors (see below), whose sum is σ = 338375454056640. Its totient is φ = 108544365852160.

The previous prime is 221320230032197. The next prime is 221320230032243. The reversal of 221320230032222 is 222230032023122.

It is a junction number, because it is equal to n+sod(n) for n = 221320230032191 and 221320230032200.

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, 1079945708 + ... + 1080150624.

It is an arithmetic number, because the mean of its divisors is an integer number (10574232939270).

Almost surely, 2^{221320230032222} is an apocalyptic number.

221320230032222 is a deficient number, since it is larger than the sum of its proper divisors (117055224024418).

221320230032222 is a wasteful number, since it uses less digits than its factorization.

221320230032222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243796.

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 221320230032222 its reverse (222230032023122), we get a palindrome (443550262055344).

The spelling of 221320230032222 in words is "two hundred twenty-one trillion, three hundred twenty billion, two hundred thirty million, thirty-two thousand, two hundred twenty-two".