2218994932 has 48 divisors (see below), whose sum is σ = 4972318848. Its totient is φ = 841173120.

The previous prime is 2218994881. The next prime is 2218994941. The reversal of 2218994932 is 2394998122.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 85963 + ... + 108754.

It is an arithmetic number, because the mean of its divisors is an integer number (103589976).

Almost surely, 2^2218994932 is an apocalyptic number.

2218994932 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2218994932 is an abundant number, since it is smaller than the sum of its proper divisors (2753323916).

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

2218994932 is a wasteful number, since it uses less digits than its factorization.

2218994932 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194776 (or 194774 counting only the distinct ones).

The product of its digits is 559872, while the sum is 49.

The square root of 2218994932 is about 47106.2090599530. The cubic root of 2218994932 is about 1304.3238536278.

The spelling of 2218994932 in words is "two billion, two hundred eighteen million, nine hundred ninety-four thousand, nine hundred thirty-two".