2217426925 has 24 divisors (see below), whose sum is σ = 3151986752. Its totient is φ = 1515888000.

The previous prime is 2217426907. The next prime is 2217426929. The reversal of 2217426925 is 5296247122.

It is not a de Polignac number, because 2217426925 - 2⁹ = 2217426413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2217426929) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 38785 + ... + 77065.

Almost surely, 2^2217426925 is an apocalyptic number.

2217426925 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2217426925 is a deficient number, since it is larger than the sum of its proper divisors (934559827).

2217426925 is a wasteful number, since it uses less digits than its factorization.

2217426925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38629 (or 38624 counting only the distinct ones).

The product of its digits is 120960, while the sum is 40.

The square root of 2217426925 is about 47089.5628032370. The cubic root of 2217426925 is about 1304.0165567186.

The spelling of 2217426925 in words is "two billion, two hundred seventeen million, four hundred twenty-six thousand, nine hundred twenty-five".