722133525 has 12 divisors (see below), whose sum is σ = 1193927552. Its totient is φ = 385137840.

The previous prime is 722133523. The next prime is 722133539. The reversal of 722133525 is 525331227.

It is a happy number.

It is not a de Polignac number, because 722133525 - 2¹ = 722133523 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 722133492 and 722133501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (722133523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4814149 + ... + 4814298.

Almost surely, 2^722133525 is an apocalyptic number.

722133525 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

722133525 is a deficient number, since it is larger than the sum of its proper divisors (471794027).

722133525 is a wasteful number, since it uses less digits than its factorization.

722133525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9628460 (or 9628455 counting only the distinct ones).

The product of its digits is 12600, while the sum is 30.

The square root of 722133525 is about 26872.5422131960. The cubic root of 722133525 is about 897.1653715874.

The spelling of 722133525 in words is "seven hundred twenty-two million, one hundred thirty-three thousand, five hundred twenty-five".