2234566890 has 24 divisors (see below), whose sum is σ = 5809874148. Its totient is φ = 595884480.

The previous prime is 2234566879. The next prime is 2234566891. The reversal of 2234566890 is 986654322.

2234566890 is a `hidden beast` number, since 2 + 2 + 3 + 4 + 566 + 89 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 2161413081 + 73153809 = 46491^2 + 8553^2 .

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (2234566891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12414171 + ... + 12414350.

Almost surely, 2^2234566890 is an apocalyptic number.

2234566890 is an abundant number, since it is smaller than the sum of its proper divisors (3575307258).

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

2234566890 is a wasteful number, since it uses less digits than its factorization.

2234566890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24828534 (or 24828531 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 45.

The square root of 2234566890 is about 47271.2057176459. The cubic root of 2234566890 is about 1307.3678067445.

The spelling of 2234566890 in words is "two billion, two hundred thirty-four million, five hundred sixty-six thousand, eight hundred ninety".