222322020 has 24 divisors (see below), whose sum is σ = 622501824. Its totient is φ = 59285856.

The previous prime is 222321989. The next prime is 222322031. The reversal of 222322020 is 20223222.

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

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, 1852624 + ... + 1852743.

It is an arithmetic number, because the mean of its divisors is an integer number (25937576).

Almost surely, 2^222322020 is an apocalyptic number.

222322020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222322020 is an abundant number, since it is smaller than the sum of its proper divisors (400179804).

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

222322020 is a wasteful number, since it uses less digits than its factorization.

222322020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3705379 (or 3705377 counting only the distinct ones).

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

The square root of 222322020 is about 14910.4667934978. The cubic root of 222322020 is about 605.7975230060.

Adding to 222322020 its reverse (20223222), we get a palindrome (242545242).

The spelling of 222322020 in words is "two hundred twenty-two million, three hundred twenty-two thousand, twenty".