221204310324422 has 16 divisors (see below), whose sum is σ = 349271309336640. Its totient is φ = 104780585401128.

The previous prime is 221204310324401. The next prime is 221204310324427. The reversal of 221204310324422 is 224423013402122.

221204310324422 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×221204310324422² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221204310324427) 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, 1102748 + ... + 21062399.

It is an arithmetic number, because the mean of its divisors is an integer number (21829456833540).

Almost surely, 2^{221204310324422} is an apocalyptic number.

221204310324422 is a deficient number, since it is larger than the sum of its proper divisors (128066999012218).

221204310324422 is a wasteful number, since it uses less digits than its factorization.

221204310324422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22427795.

The product of its (nonzero) digits is 36864, while the sum is 32.

Adding to 221204310324422 its reverse (224423013402122), we get a palindrome (445627323726544).

The spelling of 221204310324422 in words is "two hundred twenty-one trillion, two hundred four billion, three hundred ten million, three hundred twenty-four thousand, four hundred twenty-two".