2052221667 has 16 divisors (see below), whose sum is σ = 2924909568. Its totient is φ = 1276742720.

The previous prime is 2052221653. The next prime is 2052221723. The reversal of 2052221667 is 7661222502.

It is a cyclic number.

It is not a de Polignac number, because 2052221667 - 2⁴ = 2052221651 is a prime.

It is a super-2 number, since 2×2052221667² = 8423227541008517778, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2052221617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 359883 + ... + 365540.

It is an arithmetic number, because the mean of its divisors is an integer number (182806848).

Almost surely, 2^2052221667 is an apocalyptic number.

2052221667 is a deficient number, since it is larger than the sum of its proper divisors (872687901).

2052221667 is a wasteful number, since it uses less digits than its factorization.

2052221667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 725490.

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 2052221667 is about 45301.4532548350. The cubic root of 2052221667 is about 1270.7928310513.

The spelling of 2052221667 in words is "two billion, fifty-two million, two hundred twenty-one thousand, six hundred sixty-seven".