222011010 has 128 divisors (see below), whose sum is σ = 671328000. Its totient is φ = 51757056.

The previous prime is 222010961. The next prime is 222011017. The reversal of 222011010 is 10110222.

It is a super-2 number, since 2×222011010² = 98577777122440200, which contains 22 as substring.

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 = 222010983 and 222011001.

It is not an unprimeable number, because it can be changed into a prime (222011017) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 65026 + ... + 68354.

It is an arithmetic number, because the mean of its divisors is an integer number (5244750).

Almost surely, 2^222011010 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 222011010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (335664000).

222011010 is an abundant number, since it is smaller than the sum of its proper divisors (449316990).

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

222011010 is a wasteful number, since it uses less digits than its factorization.

222011010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3377 (or 3371 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

The square root of 222011010 is about 14900.0338925789. The cubic root of 222011010 is about 605.5149044089.

Adding to 222011010 its reverse (10110222), we get a palindrome (232121232).

The spelling of 222011010 in words is "two hundred twenty-two million, eleven thousand, ten".