221304222403122 has 16 divisors (see below), whose sum is σ = 443181030125760. Its totient is φ = 73672643247792.

The previous prime is 221304222403051. The next prime is 221304222403127.

221304222403122 is nontrivially palindromic in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 221304222403122.

It is not an unprimeable number, because it can be changed into a prime (221304222403127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23857716622 + ... + 23857725897.

It is an arithmetic number, because the mean of its divisors is an integer number (27698814382860).

Almost surely, 2^{221304222403122} is an apocalyptic number.

221304222403122 is an abundant number, since it is smaller than the sum of its proper divisors (221876807722638).

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

221304222403122 is a wasteful number, since it uses less digits than its factorization.

221304222403122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47715443297.

The product of its (nonzero) digits is 18432, while the sum is 30.

The spelling of 221304222403122 in words is "two hundred twenty-one trillion, three hundred four billion, two hundred twenty-two million, four hundred three thousand, one hundred twenty-two".