2217897050 has 24 divisors (see below), whose sum is σ = 4225909212. Its totient is φ = 865520000.

The previous prime is 2217897041. The next prime is 2217897067. The reversal of 2217897050 is 507987122.

It can be written as a sum of positive squares in 6 ways, for example, as 329386201 + 1888510849 = 18149^2 + 43457^2 .

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a junction number, because it is equal to n+sod(n) for n = 2217896989 and 2217897007.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 538901 + ... + 543000.

Almost surely, 2^2217897050 is an apocalyptic number.

2217897050 is a deficient number, since it is larger than the sum of its proper divisors (2008012162).

2217897050 is a wasteful number, since it uses less digits than its factorization.

2217897050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1081954 (or 1081949 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 41.

The square root of 2217897050 is about 47094.5543561036. The cubic root of 2217897050 is about 1304.1087066871.

The spelling of 2217897050 in words is "two billion, two hundred seventeen million, eight hundred ninety-seven thousand, fifty".