2028217064 has 32 divisors (see below), whose sum is σ = 3849938400. Its totient is φ = 1001626560.

The previous prime is 2028217021. The next prime is 2028217097. The reversal of 2028217064 is 4607128202.

It is a super-2 number, since 2×2028217064² = 8227328917401560192, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2028217064.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 285119 + ... + 292145.

It is an arithmetic number, because the mean of its divisors is an integer number (120310575).

Almost surely, 2^2028217064 is an apocalyptic number.

It is an amenable number.

2028217064 is a deficient number, since it is larger than the sum of its proper divisors (1821721336).

2028217064 is a wasteful number, since it uses less digits than its factorization.

2028217064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7473 (or 7469 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 32.

The square root of 2028217064 is about 45035.7309699754. The cubic root of 2028217064 is about 1265.8186130738.

The spelling of 2028217064 in words is "two billion, twenty-eight million, two hundred seventeen thousand, sixty-four".