2221869696 has 64 divisors (see below), whose sum is σ = 6092256000. Its totient is φ = 716728320.

The previous prime is 2221869691. The next prime is 2221869739. The reversal of 2221869696 is 6969681222.

It is a tau number, because it is divible by the number of its divisors (64).

It is not an unprimeable number, because it can be changed into a prime (2221869691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81421 + ... + 105228.

It is an arithmetic number, because the mean of its divisors is an integer number (95191500).

Almost surely, 2^2221869696 is an apocalyptic number.

It is an amenable number.

2221869696 is an abundant number, since it is smaller than the sum of its proper divisors (3870386304).

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

2221869696 is a wasteful number, since it uses less digits than its factorization.

2221869696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186697 (or 186685 counting only the distinct ones).

The product of its digits is 1119744, while the sum is 51.

The square root of 2221869696 is about 47136.7128255673. The cubic root of 2221869696 is about 1304.8868720654.

The spelling of 2221869696 in words is "two billion, two hundred twenty-one million, eight hundred sixty-nine thousand, six hundred ninety-six".