2222021258 has 8 divisors (see below), whose sum is σ = 3387671940. Its totient is φ = 1092797280.

The previous prime is 2222021257. The next prime is 2222021297. The reversal of 2222021258 is 8521202222.

It can be written as a sum of positive squares in 2 ways, for example, as 1992104689 + 229916569 = 44633^2 + 15163^2 .

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

It is not an unprimeable number, because it can be changed into a prime (2222021251) 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 in 3 ways as a sum of consecutive naturals, for example, 9106523 + ... + 9106766.

Almost surely, 2^2222021258 is an apocalyptic number.

2222021258 is a deficient number, since it is larger than the sum of its proper divisors (1165650682).

2222021258 is a wasteful number, since it uses less digits than its factorization.

2222021258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18213352.

The product of its (nonzero) digits is 2560, while the sum is 26.

The square root of 2222021258 is about 47138.3204834453. The cubic root of 2222021258 is about 1304.9165417872.

The spelling of 2222021258 in words is "two billion, two hundred twenty-two million, twenty-one thousand, two hundred fifty-eight".