2222258906812 has 72 divisors (see below), whose sum is σ = 4551032304000. Its totient is φ = 946685700576.

The previous prime is 2222258906801. The next prime is 2222258906849. The reversal of 2222258906812 is 2186098522222.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 94960689 + ... + 94984087.

It is an arithmetic number, because the mean of its divisors is an integer number (63208782000).

Almost surely, 2^{2222258906812} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2222258906812, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2275516152000).

2222258906812 is an abundant number, since it is smaller than the sum of its proper divisors (2328773397188).

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

2222258906812 is a wasteful number, since it uses less digits than its factorization.

2222258906812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26303 (or 26294 counting only the distinct ones).

The product of its (nonzero) digits is 1105920, while the sum is 49.

The spelling of 2222258906812 in words is "two trillion, two hundred twenty-two billion, two hundred fifty-eight million, nine hundred six thousand, eight hundred twelve".