7224217432 has 32 divisors (see below), whose sum is σ = 13987543680. Its totient is φ = 3494292480.

The previous prime is 7224217423. The next prime is 7224217433. The reversal of 7224217432 is 2347124227.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7224217433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1275118 + ... + 1280770.

It is an arithmetic number, because the mean of its divisors is an integer number (437110740).

Almost surely, 2^7224217432 is an apocalyptic number.

It is an amenable number.

7224217432 is a deficient number, since it is larger than the sum of its proper divisors (6763326248).

7224217432 is a wasteful number, since it uses less digits than its factorization.

7224217432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10843 (or 10839 counting only the distinct ones).

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

The square root of 7224217432 is about 84995.3965341653. The cubic root of 7224217432 is about 1933.1413161919.

The spelling of 7224217432 in words is "seven billion, two hundred twenty-four million, two hundred seventeen thousand, four hundred thirty-two".