2215398533 has 4 divisors (see below), whose sum is σ = 2262534720. Its totient is φ = 2168262348.

The previous prime is 2215398529. The next prime is 2215398547. The reversal of 2215398533 is 3358935122.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2215398533 - 2² = 2215398529 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2215398593) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23568023 + ... + 23568116.

It is an arithmetic number, because the mean of its divisors is an integer number (565633680).

Almost surely, 2^2215398533 is an apocalyptic number.

It is an amenable number.

2215398533 is a deficient number, since it is larger than the sum of its proper divisors (47136187).

2215398533 is an equidigital number, since it uses as much as digits as its factorization.

2215398533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47136186.

The product of its digits is 194400, while the sum is 41.

The square root of 2215398533 is about 47068.0202791662. The cubic root of 2215398533 is about 1303.6188188940.

The spelling of 2215398533 in words is "two billion, two hundred fifteen million, three hundred ninety-eight thousand, five hundred thirty-three".