2217423472 has 40 divisors (see below), whose sum is σ = 4751057520. Its totient is φ = 994106880.

The previous prime is 2217423457. The next prime is 2217423511. The reversal of 2217423472 is 2743247122.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73447 + ... + 99142.

It is an arithmetic number, because the mean of its divisors is an integer number (118776438).

Almost surely, 2^2217423472 is an apocalyptic number.

2217423472 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2217423472 is an abundant number, since it is smaller than the sum of its proper divisors (2533634048).

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

2217423472 is a wasteful number, since it uses less digits than its factorization.

2217423472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172681 (or 172675 counting only the distinct ones).

The product of its digits is 37632, while the sum is 34.

The square root of 2217423472 is about 47089.5261390471. The cubic root of 2217423472 is about 1304.0158798422.

The spelling of 2217423472 in words is "two billion, two hundred seventeen million, four hundred twenty-three thousand, four hundred seventy-two".