2182940898 has 8 divisors (see below), whose sum is σ = 4365881808. Its totient is φ = 727646964.

The previous prime is 2182940887. The next prime is 2182940899. The reversal of 2182940898 is 8980492812.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

2182940898 is an admirable number.

It is a super-2 number, since 2×2182940898² = 9530461928322092808, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2182940898.

It is not an unprimeable number, because it can be changed into a prime (2182940899) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 181911736 + ... + 181911747.

It is an arithmetic number, because the mean of its divisors is an integer number (545735226).

Almost surely, 2^2182940898 is an apocalyptic number.

2182940898 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2182940898 is a wasteful number, since it uses less digits than its factorization.

2182940898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 363823488.

The product of its (nonzero) digits is 663552, while the sum is 51.

The square root of 2182940898 is about 46721.9530627734. The cubic root of 2182940898 is about 1297.2210654436.

The spelling of 2182940898 in words is "two billion, one hundred eighty-two million, nine hundred forty thousand, eight hundred ninety-eight".