222020440422 has 64 divisors (see below), whose sum is σ = 511235850240. Its totient is φ = 63571370400.

The previous prime is 222020440399. The next prime is 222020440457. The reversal of 222020440422 is 224044020222.

222020440422 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 222020440392 and 222020440401.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 249147 + ... + 711417.

It is an arithmetic number, because the mean of its divisors is an integer number (7988060160).

Almost surely, 2^222020440422 is an apocalyptic number.

222020440422 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 222020440422, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (255617925120).

222020440422 is an abundant number, since it is smaller than the sum of its proper divisors (289215409818).

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

222020440422 is a wasteful number, since it uses less digits than its factorization.

222020440422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 462689.

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

Adding to 222020440422 its reverse (224044020222), we get a palindrome (446064460644).

The spelling of 222020440422 in words is "two hundred twenty-two billion, twenty million, four hundred forty thousand, four hundred twenty-two".