222044020 has 24 divisors (see below), whose sum is σ = 508683168. Its totient is φ = 80743200.

The previous prime is 222044003. The next prime is 222044029. The reversal of 222044020 is 20440222.

It is a junction number, because it is equal to n+sod(n) for n = 222043985 and 222044003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222044029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 504426 + ... + 504865.

It is an arithmetic number, because the mean of its divisors is an integer number (21195132).

Almost surely, 2^222044020 is an apocalyptic number.

222044020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222044020 is an abundant number, since it is smaller than the sum of its proper divisors (286639148).

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

222044020 is a wasteful number, since it uses less digits than its factorization.

222044020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1009311 (or 1009309 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 16.

The square root of 222044020 is about 14901.1415670075. The cubic root of 222044020 is about 605.5449135158.

Adding to 222044020 its reverse (20440222), we get a palindrome (242484242).

It can be divided in two parts, 2 and 22044020, that added together give a palindrome (22044022).

The spelling of 222044020 in words is "two hundred twenty-two million, forty-four thousand, twenty".