7223457904 has 120 divisors (see below), whose sum is σ = 15820445760. Its totient is φ = 3173354496.

The previous prime is 7223457889. The next prime is 7223457907. The reversal of 7223457904 is 4097543227.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7223457907) 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, 66270202 + ... + 66270310.

It is an arithmetic number, because the mean of its divisors is an integer number (131837048).

Almost surely, 2^7223457904 is an apocalyptic number.

7223457904 is a gapful number since it is divisible by the number (74) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7223457904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7910222880).

7223457904 is an abundant number, since it is smaller than the sum of its proper divisors (8596987856).

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

7223457904 is a wasteful number, since it uses less digits than its factorization.

7223457904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355 (or 240 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 43.

The square root of 7223457904 is about 84990.9283629730. The cubic root of 7223457904 is about 1933.0735659970.

The spelling of 7223457904 in words is "seven billion, two hundred twenty-three million, four hundred fifty-seven thousand, nine hundred four".