222040303020 has 144 divisors (see below), whose sum is σ = 696419942400. Its totient is φ = 57204201600.

The previous prime is 222040302997. The next prime is 222040303073. The reversal of 222040303020 is 20303040222.

It is a super-2 number, since 2×222040303020² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 222040302984 and 222040303002.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3309205 + ... + 3375635.

It is an arithmetic number, because the mean of its divisors is an integer number (4836249600).

Almost surely, 2^222040303020 is an apocalyptic number.

222040303020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 222040303020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (348209971200).

222040303020 is an abundant number, since it is smaller than the sum of its proper divisors (474379639380).

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

222040303020 is a wasteful number, since it uses less digits than its factorization.

222040303020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67076 (or 67071 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

Adding to 222040303020 its reverse (20303040222), we get a palindrome (242343343242).

The spelling of 222040303020 in words is "two hundred twenty-two billion, forty million, three hundred three thousand, twenty".