2220405999 has 8 divisors (see below), whose sum is σ = 3383475840. Its totient is φ = 1268803416.

The previous prime is 2220405997. The next prime is 2220406021. The reversal of 2220405999 is 9995040222.

2220405999 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2220405999 - 2¹ = 2220405997 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2220405999.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2220405997) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52866789 + ... + 52866830.

It is an arithmetic number, because the mean of its divisors is an integer number (422934480).

Almost surely, 2^2220405999 is an apocalyptic number.

2220405999 is a deficient number, since it is larger than the sum of its proper divisors (1163069841).

2220405999 is a wasteful number, since it uses less digits than its factorization.

2220405999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105733629.

The product of its (nonzero) digits is 116640, while the sum is 42.

The square root of 2220405999 is about 47121.1841850351. The cubic root of 2220405999 is about 1304.6002698157.

The spelling of 2220405999 in words is "two billion, two hundred twenty million, four hundred five thousand, nine hundred ninety-nine".