724523228422 has 16 divisors (see below), whose sum is σ = 1242083158560. Its totient is φ = 310499120448.

The previous prime is 724523228263. The next prime is 724523228483. The reversal of 724523228422 is 224822325427.

It is a happy number.

It is a super-3 number, since 3×724523228422³ (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

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, 480513 + ... + 1296124.

It is an arithmetic number, because the mean of its divisors is an integer number (77630197410).

Almost surely, 2^724523228422 is an apocalyptic number.

724523228422 is a deficient number, since it is larger than the sum of its proper divisors (517559930138).

724523228422 is a wasteful number, since it uses less digits than its factorization.

724523228422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1805775.

The product of its digits is 860160, while the sum is 43.

The spelling of 724523228422 in words is "seven hundred twenty-four billion, five hundred twenty-three million, two hundred twenty-eight thousand, four hundred twenty-two".