2215944536 has 32 divisors (see below), whose sum is σ = 4477494000. Its totient is φ = 1022060160.

The previous prime is 2215944527. The next prime is 2215944569. The reversal of 2215944536 is 6354495122.

It is a junction number, because it is equal to n+sod(n) for n = 2215944493 and 2215944502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 170426 + ... + 182966.

Almost surely, 2^2215944536 is an apocalyptic number.

2215944536 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

2215944536 is an abundant number, since it is smaller than the sum of its proper divisors (2261549464).

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

2215944536 is a wasteful number, since it uses less digits than its factorization.

2215944536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14259 (or 14255 counting only the distinct ones).

The product of its digits is 259200, while the sum is 41.

The square root of 2215944536 is about 47073.8200701834. The cubic root of 2215944536 is about 1303.7259059198.

The spelling of 2215944536 in words is "two billion, two hundred fifteen million, nine hundred forty-four thousand, five hundred thirty-six".