2215948 has 24 divisors (see below), whose sum is σ = 4586400. Its totient is φ = 916608.

The previous prime is 2215943. The next prime is 2215949. The reversal of 2215948 is 8495122.

2215948 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (2215943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 553 + ... + 2176.

It is an arithmetic number, because the mean of its divisors is an integer number (191100).

2^2215948 is an apocalyptic number.

2215948 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2215948 is an abundant number, since it is smaller than the sum of its proper divisors (2370452).

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

2215948 is a wasteful number, since it uses less digits than its factorization.

2215948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2769 (or 2767 counting only the distinct ones).

The product of its digits is 5760, while the sum is 31.

The square root of 2215948 is about 1488.6060593723. The cubic root of 2215948 is about 130.3726585255.

The spelling of 2215948 in words is "two million, two hundred fifteen thousand, nine hundred forty-eight".