2215925382 has 64 divisors (see below), whose sum is σ = 4908833280. Its totient is φ = 661267200.

The previous prime is 2215925347. The next prime is 2215925399. The reversal of 2215925382 is 2835295122.

It is a self number, because there is not a number n which added to its sum of digits gives 2215925382.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 1826208 + ... + 1827420.

It is an arithmetic number, because the mean of its divisors is an integer number (76700520).

Almost surely, 2^2215925382 is an apocalyptic number.

2215925382 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 2215925382, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2454416640).

2215925382 is an abundant number, since it is smaller than the sum of its proper divisors (2692907898).

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

2215925382 is a wasteful number, since it uses less digits than its factorization.

2215925382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1629.

The product of its digits is 86400, while the sum is 39.

The square root of 2215925382 is about 47073.6166233273. The cubic root of 2215925382 is about 1303.7221495626.

The spelling of 2215925382 in words is "two billion, two hundred fifteen million, nine hundred twenty-five thousand, three hundred eighty-two".