422404202220 has 576 divisors, whose sum is σ = 1637354019840. Its totient is φ = 79131064320.

The previous prime is 422404202201. The next prime is 422404202243. The reversal of 422404202220 is 22202404224.

It is a super-2 number, since 2×422404202220² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 28400946 + ... + 28415814.

Almost surely, 2^422404202220 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 422404202220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (818677009920).

422404202220 is an abundant number, since it is smaller than the sum of its proper divisors (1214949817620).

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

422404202220 is a wasteful number, since it uses less digits than its factorization.

422404202220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14966 (or 14953 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 24.

Adding to 422404202220 its reverse (22202404224), we get a palindrome (444606606444).

The spelling of 422404202220 in words is "four hundred twenty-two billion, four hundred four million, two hundred two thousand, two hundred twenty".