2211265536 has 44 divisors (see below), whose sum is σ = 5893837032. Its totient is φ = 737087488.

The previous prime is 2211265501. The next prime is 2211265559. The reversal of 2211265536 is 6355621122.

It is a junction number, because it is equal to n+sod(n) for n = 2211265497 and 2211265506.

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, 356835 + ... + 362978.

Almost surely, 2^2211265536 is an apocalyptic number.

It is an amenable number.

2211265536 is an abundant number, since it is smaller than the sum of its proper divisors (3682571496).

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

2211265536 is an equidigital number, since it uses as much as digits as its factorization.

2211265536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 719836 (or 719818 counting only the distinct ones).

The product of its digits is 21600, while the sum is 33.

The square root of 2211265536 is about 47024.0952704037. The cubic root of 2211265536 is about 1302.8076470666.

Adding to 2211265536 its reverse (6355621122), we get a palindrome (8566886658).

The spelling of 2211265536 in words is "two billion, two hundred eleven million, two hundred sixty-five thousand, five hundred thirty-six".