2221663532 has 12 divisors (see below), whose sum is σ = 4241357736. Its totient is φ = 1009847040.

The previous prime is 2221663529. The next prime is 2221663537. The reversal of 2221663532 is 2353661222.

It is not an unprimeable number, because it can be changed into a prime (2221663537) 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, 25246133 + ... + 25246220.

It is an arithmetic number, because the mean of its divisors is an integer number (353446478).

Almost surely, 2^2221663532 is an apocalyptic number.

2221663532 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2221663532 is a deficient number, since it is larger than the sum of its proper divisors (2019694204).

2221663532 is a wasteful number, since it uses less digits than its factorization.

2221663532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50492368 (or 50492366 counting only the distinct ones).

The product of its digits is 25920, while the sum is 32.

The square root of 2221663532 is about 47134.5259019331. The cubic root of 2221663532 is about 1304.8465113100.

The spelling of 2221663532 in words is "two billion, two hundred twenty-one million, six hundred sixty-three thousand, five hundred thirty-two".