2222466678 has 96 divisors (see below), whose sum is σ = 5504241600. Its totient is φ = 643872768.

The previous prime is 2222466629. The next prime is 2222466749. The reversal of 2222466678 is 8766642222.

It is a plaindrome in base 10.

It is a congruent number.

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, 198658 + ... + 209546.

It is an arithmetic number, because the mean of its divisors is an integer number (57335850).

Almost surely, 2^2222466678 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2222466678, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2752120800).

2222466678 is an abundant number, since it is smaller than the sum of its proper divisors (3281774922).

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

2222466678 is a wasteful number, since it uses less digits than its factorization.

2222466678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10966 (or 10963 counting only the distinct ones).

The product of its digits is 774144, while the sum is 45.

The square root of 2222466678 is about 47143.0448528730. The cubic root of 2222466678 is about 1305.0037292358.

The spelling of 2222466678 in words is "two billion, two hundred twenty-two million, four hundred sixty-six thousand, six hundred seventy-eight".