2217913148 has 48 divisors (see below), whose sum is σ = 4292988000. Its totient is φ = 994222080.

The previous prime is 2217913147. The next prime is 2217913157. The reversal of 2217913148 is 8413197122.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2217913147) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1488788 + ... + 1490276.

It is an arithmetic number, because the mean of its divisors is an integer number (89437250).

Almost surely, 2^2217913148 is an apocalyptic number.

It is an amenable number.

2217913148 is a deficient number, since it is larger than the sum of its proper divisors (2075074852).

2217913148 is a wasteful number, since it uses less digits than its factorization.

2217913148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1950 (or 1948 counting only the distinct ones).

The product of its digits is 24192, while the sum is 38.

The square root of 2217913148 is about 47094.7252672738. The cubic root of 2217913148 is about 1304.1118618517. Note that the first 3 decimals are identical.

The spelling of 2217913148 in words is "two billion, two hundred seventeen million, nine hundred thirteen thousand, one hundred forty-eight".