2221263534 has 16 divisors (see below), whose sum is σ = 5077173888. Its totient is φ = 634646712.

The previous prime is 2221263523. The next prime is 2221263557. The reversal of 2221263534 is 4353621222.

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, 26443572 + ... + 26443655.

It is an arithmetic number, because the mean of its divisors is an integer number (317323368).

Almost surely, 2^2221263534 is an apocalyptic number.

2221263534 is an abundant number, since it is smaller than the sum of its proper divisors (2855910354).

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

2221263534 is a wasteful number, since it uses less digits than its factorization.

2221263534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52887239.

The product of its digits is 17280, while the sum is 30.

The square root of 2221263534 is about 47130.2825580327. The cubic root of 2221263534 is about 1304.7681965225.

Adding to 2221263534 its reverse (4353621222), we get a palindrome (6574884756).

The spelling of 2221263534 in words is "two billion, two hundred twenty-one million, two hundred sixty-three thousand, five hundred thirty-four".