222022440420 has 48 divisors (see below), whose sum is σ = 678177638208. Its totient is φ = 53823621760.

The previous prime is 222022440373. The next prime is 222022440439. The reversal of 222022440420 is 24044220222.

222022440420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 15 ways as a sum of consecutive naturals, for example, 168198159 + ... + 168199478.

It is an arithmetic number, because the mean of its divisors is an integer number (14128700796).

Almost surely, 2^222022440420 is an apocalyptic number.

222022440420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222022440420 is an abundant number, since it is smaller than the sum of its proper divisors (456155197788).

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

222022440420 is a wasteful number, since it uses less digits than its factorization.

222022440420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336397660 (or 336397658 counting only the distinct ones).

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

Adding to 222022440420 its reverse (24044220222), we get a palindrome (246066660642).

The spelling of 222022440420 in words is "two hundred twenty-two billion, twenty-two million, four hundred forty thousand, four hundred twenty".