2222961894 has 20 divisors (see below), whose sum is σ = 4981081644. Its totient is φ = 740987244.

The previous prime is 2222961847. The next prime is 2222961929. The reversal of 2222961894 is 4981692222.

2222961894 is a `hidden beast` number, since 2 + 2 + 2 + 29 + 618 + 9 + 4 = 666.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 6860832 + ... + 6861155.

Almost surely, 2^2222961894 is an apocalyptic number.

2222961894 is an abundant number, since it is smaller than the sum of its proper divisors (2758119750).

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

2222961894 is a wasteful number, since it uses less digits than its factorization.

2222961894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13722001 (or 13721992 counting only the distinct ones).

The product of its digits is 248832, while the sum is 45.

The square root of 2222961894 is about 47148.2968303204. The cubic root of 2222961894 is about 1305.1006501839.

The spelling of 2222961894 in words is "two billion, two hundred twenty-two million, nine hundred sixty-one thousand, eight hundred ninety-four".