222404023820 has 48 divisors (see below), whose sum is σ = 512353900800. Its totient is φ = 80422365120.

The previous prime is 222404023817. The next prime is 222404023837. The reversal of 222404023820 is 28320404222.

It is a super-2 number, since 2×222404023820² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2784440 + ... + 2863199.

It is an arithmetic number, because the mean of its divisors is an integer number (10674039600).

Almost surely, 2^222404023820 is an apocalyptic number.

222404023820 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222404023820 is an abundant number, since it is smaller than the sum of its proper divisors (289949876980).

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

222404023820 is a wasteful number, since it uses less digits than its factorization.

222404023820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5647838 (or 5647836 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 29.

It can be divided in two parts, 22240402 and 3820, that added together give a palindrome (22244222).

The spelling of 222404023820 in words is "two hundred twenty-two billion, four hundred four million, twenty-three thousand, eight hundred twenty".