2216892638 has 8 divisors (see below), whose sum is σ = 3325568088. Its totient is φ = 1108369944.

The previous prime is 2216892631. The next prime is 2216892641. The reversal of 2216892638 is 8362986122.

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

It is a super-2 number, since 2×2216892638² = 9829225936837198088, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2216892592 and 2216892601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2216892631) 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 3 ways as a sum of consecutive naturals, for example, 10520 + ... + 67412.

It is an arithmetic number, because the mean of its divisors is an integer number (415696011).

Almost surely, 2^2216892638 is an apocalyptic number.

2216892638 is a deficient number, since it is larger than the sum of its proper divisors (1108675450).

2216892638 is a wasteful number, since it uses less digits than its factorization.

2216892638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76378.

The product of its digits is 497664, while the sum is 47.

The square root of 2216892638 is about 47083.8893678082. The cubic root of 2216892638 is about 1303.9118144380.

The spelling of 2216892638 in words is "two billion, two hundred sixteen million, eight hundred ninety-two thousand, six hundred thirty-eight".