222423203420 has 24 divisors (see below), whose sum is σ = 509551339248. Its totient is φ = 80881164800.

The previous prime is 222423203417. The next prime is 222423203437. The reversal of 222423203420 is 24302324222.

222423203420 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×222423203420² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 222423203420.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 505507061 + ... + 505507500.

It is an arithmetic number, because the mean of its divisors is an integer number (21231305802).

Almost surely, 2^222423203420 is an apocalyptic number.

222423203420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222423203420 is an abundant number, since it is smaller than the sum of its proper divisors (287128135828).

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

222423203420 is a wasteful number, since it uses less digits than its factorization.

222423203420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1011014581 (or 1011014579 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 26.

Adding to 222423203420 its reverse (24302324222), we get a palindrome (246725527642).

The spelling of 222423203420 in words is "two hundred twenty-two billion, four hundred twenty-three million, two hundred three thousand, four hundred twenty".