223222020 has 48 divisors (see below), whose sum is σ = 714311808. Its totient is φ = 51022080.

The previous prime is 223222007. The next prime is 223222031. The reversal of 223222020 is 20222322.

It is a super-3 number, since 3×223222020³ (a number of 26 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 265321 + ... + 266160.

It is an arithmetic number, because the mean of its divisors is an integer number (14881496).

Almost surely, 2^223222020 is an apocalyptic number.

223222020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

223222020 is an abundant number, since it is smaller than the sum of its proper divisors (491089788).

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

223222020 is a wasteful number, since it uses less digits than its factorization.

223222020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 531500 (or 531498 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 15.

The square root of 223222020 is about 14940.6164531454. The cubic root of 223222020 is about 606.6138819483.

Adding to 223222020 its reverse (20222322), we get a palindrome (243444342).

It can be divided in two parts, 22322 and 2020, that added together give a palindrome (24342).

The spelling of 223222020 in words is "two hundred twenty-three million, two hundred twenty-two thousand, twenty".