722528851 has 16 divisors (see below), whose sum is σ = 799497216. Its totient is φ = 647500000.

The previous prime is 722528803. The next prime is 722528867. The reversal of 722528851 is 158825227.

It is a cyclic number.

It is not a de Polignac number, because 722528851 - 2²³ = 714140243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (722528801) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 277566 + ... + 280156.

It is an arithmetic number, because the mean of its divisors is an integer number (49968576).

Almost surely, 2^722528851 is an apocalyptic number.

722528851 is a deficient number, since it is larger than the sum of its proper divisors (76968365).

722528851 is a wasteful number, since it uses less digits than its factorization.

722528851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2954.

The product of its digits is 89600, while the sum is 40.

The square root of 722528851 is about 26879.8967817959. The cubic root of 722528851 is about 897.3290569651.

The spelling of 722528851 in words is "seven hundred twenty-two million, five hundred twenty-eight thousand, eight hundred fifty-one".