2222894128 has 80 divisors (see below), whose sum is σ = 5375655936. Its totient is φ = 866960640.

The previous prime is 2222894101. The next prime is 2222894129. The reversal of 2222894128 is 8214982222.

It is not an unprimeable number, because it can be changed into a prime (2222894129) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 92625 + ... + 114127.

Almost surely, 2^2222894128 is an apocalyptic number.

2222894128 is a gapful number since it is divisible by the number (28) 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 2222894128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2687827968).

2222894128 is an abundant number, since it is smaller than the sum of its proper divisors (3152761808).

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

2222894128 is a wasteful number, since it uses less digits than its factorization.

2222894128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21602 (or 21596 counting only the distinct ones).

The product of its digits is 73728, while the sum is 40.

The square root of 2222894128 is about 47147.5781774632. The cubic root of 2222894128 is about 1305.0873882457.

The spelling of 2222894128 in words is "two billion, two hundred twenty-two million, eight hundred ninety-four thousand, one hundred twenty-eight".