2108223936 has 560 divisors, whose sum is σ = 7951500480. Its totient is φ = 537477120.

The previous prime is 2108223919. The next prime is 2108223947. The reversal of 2108223936 is 6393228012.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 2108223936.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 19341450 + ... + 19341558.

It is an arithmetic number, because the mean of its divisors is an integer number (14199108).

Almost surely, 2^2108223936 is an apocalyptic number.

2108223936 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2108223936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3975750240).

2108223936 is an abundant number, since it is smaller than the sum of its proper divisors (5843276544).

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

2108223936 is a wasteful number, since it uses less digits than its factorization.

2108223936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194 (or 175 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 2108223936 is about 45915.3997695762. The cubic root of 2108223936 is about 1282.2486385394.

The spelling of 2108223936 in words is "two billion, one hundred eight million, two hundred twenty-three thousand, nine hundred thirty-six".