222010000 has 75 divisors (see below), whose sum is σ = 541140061. Its totient is φ = 88208000.

The previous prime is 222009937. The next prime is 222010013. The reversal of 222010000 is 10222.

It is a happy number.

The square root of 222010000 is 14900.

It is a perfect power (a square), and thus also a powerful number.

222010000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 7 ways, for example, as 221057424 + 952576 = 14868^2 + 976^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 1489926 + ... + 1490074.

Almost surely, 2^222010000 is an apocalyptic number.

222010000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

222010000 is the 14900-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 222010000

222010000 is an abundant number, since it is smaller than the sum of its proper divisors (319130061).

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

222010000 is an frugal number, since it uses more digits than its factorization.

222010000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326 (or 156 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 7.

The cubic root of 222010000 is about 605.5139861797.

Adding to 222010000 its reverse (10222), we get a palindrome (222020222).

The spelling of 222010000 in words is "two hundred twenty-two million, ten thousand".