2215632 has 40 divisors (see below), whose sum is σ = 5912320. Its totient is φ = 714240.

The previous prime is 2215583. The next prime is 2215639. The reversal of 2215632 is 2365122.

It is a junction number, because it is equal to n+sod(n) for n = 2215599 and 2215608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2215639) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 744 + ... + 2232.

It is an arithmetic number, because the mean of its divisors is an integer number (147808).

2^2215632 is an apocalyptic number.

It is a pronic number, being equal to 1488×1489.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2215632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2956160).

2215632 is an abundant number, since it is smaller than the sum of its proper divisors (3696688).

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

2215632 is a wasteful number, since it uses less digits than its factorization.

2215632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1531 (or 1525 counting only the distinct ones).

The product of its digits is 720, while the sum is 21.

The square root of 2215632 is about 1488.4999160228. The cubic root of 2215632 is about 130.3664610698.

The spelling of 2215632 in words is "two million, two hundred fifteen thousand, six hundred thirty-two".