222211220010 has 96 divisors (see below), whose sum is σ = 580078775808. Its totient is φ = 54452586240.

The previous prime is 222211219957. The next prime is 222211220051. The reversal of 222211220010 is 10022112222.

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 47 ways as a sum of consecutive naturals, for example, 1032340 + ... + 1228880.

It is an arithmetic number, because the mean of its divisors is an integer number (6042487248).

Almost surely, 2^222211220010 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 222211220010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (290039387904).

222211220010 is an abundant number, since it is smaller than the sum of its proper divisors (357867555798).

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

222211220010 is a wasteful number, since it uses less digits than its factorization.

222211220010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196800 (or 196787 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 222211220010 its reverse (10022112222), we get a palindrome (232233332232).

The spelling of 222211220010 in words is "two hundred twenty-two billion, two hundred eleven million, two hundred twenty thousand, ten".