7223243904 has 256 divisors, whose sum is σ = 22311072000. Its totient is φ = 2297659392.

The previous prime is 7223243899. The next prime is 7223243957. The reversal of 7223243904 is 4093423227.

It is a happy number.

It is a super-2 number, since 2×7223243904² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9721357 + ... + 9722099.

It is an arithmetic number, because the mean of its divisors is an integer number (87152625).

Almost surely, 2^7223243904 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7223243904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11155536000).

7223243904 is an abundant number, since it is smaller than the sum of its proper divisors (15087828096).

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

7223243904 is a wasteful number, since it uses less digits than its factorization.

7223243904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 892 (or 874 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 36.

The square root of 7223243904 is about 84989.6693957566. The cubic root of 7223243904 is about 1933.0544762557.

The spelling of 7223243904 in words is "seven billion, two hundred twenty-three million, two hundred forty-three thousand, nine hundred four".