2221299952 has 10 divisors (see below), whose sum is σ = 4303768688. Its totient is φ = 1110649968.

The previous prime is 2221299929. The next prime is 2221299953. The reversal of 2221299952 is 2599921222.

It is a junction number, because it is equal to n+sod(n) for n = 2221299899 and 2221299908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2221299953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69415608 + ... + 69415639.

Almost surely, 2^2221299952 is an apocalyptic number.

It is an amenable number.

2221299952 is a deficient number, since it is larger than the sum of its proper divisors (2082468736).

2221299952 is a wasteful number, since it uses less digits than its factorization.

2221299952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138831255 (or 138831249 counting only the distinct ones).

The product of its digits is 116640, while the sum is 43.

The square root of 2221299952 is about 47130.6689110180. The cubic root of 2221299952 is about 1304.7753271170.

The spelling of 2221299952 in words is "two billion, two hundred twenty-one million, two hundred ninety-nine thousand, nine hundred fifty-two".