2215252 has 36 divisors (see below), whose sum is σ = 4381020. Its totient is φ = 978432.

The previous prime is 2215237. The next prime is 2215277. The reversal of 2215252 is 2525122.

It can be written as a sum of positive squares in 6 ways, for example, as 929296 + 1285956 = 964^2 + 1134^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19548 + ... + 19660.

It is an arithmetic number, because the mean of its divisors is an integer number (121695).

2^2215252 is an apocalyptic number.

It is an amenable number.

2215252 is a deficient number, since it is larger than the sum of its proper divisors (2165768).

2215252 is a wasteful number, since it uses less digits than its factorization.

2215252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172 (or 157 counting only the distinct ones).

The product of its digits is 400, while the sum is 19.

The square root of 2215252 is about 1488.3722652616. The cubic root of 2215252 is about 130.3590076528.

The spelling of 2215252 in words is "two million, two hundred fifteen thousand, two hundred fifty-two".