2215533404 has 12 divisors (see below), whose sum is σ = 4431066864. Its totient is φ = 949514304.

The previous prime is 2215533379. The next prime is 2215533431. The reversal of 2215533404 is 4043355122.

It is a happy number.

2215533404 is an admirable number.

It is a congruent number.

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, 39563069 + ... + 39563124.

It is an arithmetic number, because the mean of its divisors is an integer number (369255572).

Almost surely, 2^2215533404 is an apocalyptic number.

It is an amenable number.

2215533404 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2215533404 is a wasteful number, since it uses less digits than its factorization.

2215533404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79126204 (or 79126202 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 29.

The square root of 2215533404 is about 47069.4529817375. The cubic root of 2215533404 is about 1303.6452726454.

Adding to 2215533404 its reverse (4043355122), we get a palindrome (6258888526).

The spelling of 2215533404 in words is "two billion, two hundred fifteen million, five hundred thirty-three thousand, four hundred four".