2212222104 has 160 divisors (see below), whose sum is σ = 6590192400. Its totient is φ = 690923520.

The previous prime is 2212222097. The next prime is 2212222123. The reversal of 2212222104 is 4012222122.

2212222104 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 4505299 + ... + 4505789.

Almost surely, 2^2212222104 is an apocalyptic number.

2212222104 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2212222104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3295096200).

2212222104 is an abundant number, since it is smaller than the sum of its proper divisors (4377970296).

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

2212222104 is a wasteful number, since it uses less digits than its factorization.

2212222104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 935 (or 922 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 2212222104 is about 47034.2652116518. The cubic root of 2212222104 is about 1302.9954798449.

Adding to 2212222104 its sum of digits (18), we get a palindrome (2212222122).

Adding to 2212222104 its reverse (4012222122), we get a palindrome (6224444226).

The spelling of 2212222104 in words is "two billion, two hundred twelve million, two hundred twenty-two thousand, one hundred four".