221122332330 has 16 divisors (see below), whose sum is σ = 530693597664. Its totient is φ = 58965955280.

The previous prime is 221122332283. The next prime is 221122332341. The reversal of 221122332330 is 33233221122.

It is a self number, because there is not a number n which added to its sum of digits gives 221122332330.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3685372176 + ... + 3685372235.

It is an arithmetic number, because the mean of its divisors is an integer number (33168349854).

Almost surely, 2^221122332330 is an apocalyptic number.

221122332330 is an abundant number, since it is smaller than the sum of its proper divisors (309571265334).

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

221122332330 is a wasteful number, since it uses less digits than its factorization.

221122332330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7370744421.

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 221122332330 its reverse (33233221122), we get a palindrome (254355553452).

The spelling of 221122332330 in words is "two hundred twenty-one billion, one hundred twenty-two million, three hundred thirty-two thousand, three hundred thirty".