2215962 has 48 divisors (see below), whose sum is σ = 5628480. Its totient is φ = 616896.

The previous prime is 2215949. The next prime is 2215963. The reversal of 2215962 is 2695122.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (2215963) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5214 + ... + 5622.

It is an arithmetic number, because the mean of its divisors is an integer number (117260).

2^2215962 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2215962, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2814240).

2215962 is an abundant number, since it is smaller than the sum of its proper divisors (3412518).

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

2215962 is a wasteful number, since it uses less digits than its factorization.

2215962 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 467 (or 464 counting only the distinct ones).

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

The square root of 2215962 is about 1488.6107617507. The cubic root of 2215962 is about 130.3729330826.

Adding to 2215962 its product of digits (2160), we get a palindrome (2218122).

The spelling of 2215962 in words is "two million, two hundred fifteen thousand, nine hundred sixty-two".