2217355028 has 24 divisors (see below), whose sum is σ = 4537845312. Its totient is φ = 928194624.

The previous prime is 2217355003. The next prime is 2217355037. The reversal of 2217355028 is 8205537122.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 919625 + ... + 922032.

It is an arithmetic number, because the mean of its divisors is an integer number (189076888).

Almost surely, 2^2217355028 is an apocalyptic number.

2217355028 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2217355028 is an abundant number, since it is smaller than the sum of its proper divisors (2320490284).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2217355028 is a wasteful number, since it uses less digits than its factorization.

2217355028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1841711 (or 1841709 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 35.

The square root of 2217355028 is about 47088.7993900885. The cubic root of 2217355028 is about 1304.0024629221.

The spelling of 2217355028 in words is "two billion, two hundred seventeen million, three hundred fifty-five thousand, twenty-eight".