2217516025 has 24 divisors (see below), whose sum is σ = 2892029184. Its totient is φ = 1684363200.

The previous prime is 2217515999. The next prime is 2217516031. The reversal of 2217516025 is 5206157122.

2217516025 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2217516025 - 2²⁷ = 2083298297 is a prime.

It is a super-2 number, since 2×2217516025² = 9834754642263601250, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14082 + ... + 68068.

It is an arithmetic number, because the mean of its divisors is an integer number (120501216).

Almost surely, 2^2217516025 is an apocalyptic number.

2217516025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2217516025 is a deficient number, since it is larger than the sum of its proper divisors (674513159).

2217516025 is a wasteful number, since it uses less digits than its factorization.

2217516025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54081 (or 54076 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 31.

The square root of 2217516025 is about 47090.5088632518. The cubic root of 2217516025 is about 1304.0340223553.

The spelling of 2217516025 in words is "two billion, two hundred seventeen million, five hundred sixteen thousand, twenty-five".