222020010 has 96 divisors (see below), whose sum is σ = 598440960. Its totient is φ = 57072384.

The previous prime is 222019999. The next prime is 222020011. The reversal of 222020010 is 10020222.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 222019974 and 222020001.

It is not an unprimeable number, because it can be changed into a prime (222020011) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 308431 + ... + 309149.

It is an arithmetic number, because the mean of its divisors is an integer number (6233760).

Almost surely, 2^222020010 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 222020010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (299220480).

222020010 is an abundant number, since it is smaller than the sum of its proper divisors (376420950).

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

222020010 is a wasteful number, since it uses less digits than its factorization.

222020010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 852 (or 849 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 9.

The square root of 222020010 is about 14900.3359022540. The cubic root of 222020010 is about 605.5230865264.

Adding to 222020010 its reverse (10020222), we get a palindrome (232040232).

The spelling of 222020010 in words is "two hundred twenty-two million, twenty thousand, ten".