2215398532 has 12 divisors (see below), whose sum is σ = 3981730060. Its totient is φ = 1077761376.

The previous prime is 2215398529. The next prime is 2215398547. The reversal of 2215398532 is 2358935122.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 834978816 + 1380419716 = 28896^2 + 37154^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7484307 + ... + 7484602.

Almost surely, 2^2215398532 is an apocalyptic number.

It is an amenable number.

2215398532 is a deficient number, since it is larger than the sum of its proper divisors (1766331528).

2215398532 is a wasteful number, since it uses less digits than its factorization.

2215398532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14968950 (or 14968948 counting only the distinct ones).

The product of its digits is 129600, while the sum is 40.

The square root of 2215398532 is about 47068.0202685433. The cubic root of 2215398532 is about 1303.6188186979.

The spelling of 2215398532 in words is "two billion, two hundred fifteen million, three hundred ninety-eight thousand, five hundred thirty-two".