220021334404422 has 16 divisors (see below), whose sum is σ = 440478786431280. Its totient is φ = 73267758531072.

The previous prime is 220021334404393. The next prime is 220021334404429. The reversal of 220021334404422 is 224404433120022.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220021334404429) 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, 18171561043 + ... + 18171573150.

It is an arithmetic number, because the mean of its divisors is an integer number (27529924151955).

Almost surely, 2^{220021334404422} is an apocalyptic number.

220021334404422 is an abundant number, since it is smaller than the sum of its proper divisors (220457452026858).

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

220021334404422 is a wasteful number, since it uses less digits than its factorization.

220021334404422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36343135207.

The product of its (nonzero) digits is 73728, while the sum is 33.

Adding to 220021334404422 its reverse (224404433120022), we get a palindrome (444425767524444).

The spelling of 220021334404422 in words is "two hundred twenty trillion, twenty-one billion, three hundred thirty-four million, four hundred four thousand, four hundred twenty-two".