2215926 has 24 divisors (see below), whose sum is σ = 4828824. Its totient is φ = 734400.

The previous prime is 2215921. The next prime is 2215931. The reversal of 2215926 is 6295122.

It is an interprime number because it is at equal distance from previous prime (2215921) and next prime (2215931).

It is a self number, because there is not a number n which added to its sum of digits gives 2215926.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2215921) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5326 + ... + 5726.

It is an arithmetic number, because the mean of its divisors is an integer number (201201).

2^2215926 is an apocalyptic number.

2215926 is an abundant number, since it is smaller than the sum of its proper divisors (2612898).

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

2215926 is a wasteful number, since it uses less digits than its factorization.

2215926 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 716 (or 713 counting only the distinct ones).

The product of its digits is 2160, while the sum is 27.

The square root of 2215926 is about 1488.5986698906. The cubic root of 2215926 is about 130.3722270761.

The spelling of 2215926 in words is "two million, two hundred fifteen thousand, nine hundred twenty-six".