8152722 has 18 divisors (see below), whose sum is σ = 17690517. Its totient is φ = 2713536.

The previous prime is 8152709. The next prime is 8152747. The reversal of 8152722 is 2272518.

It can be written as a sum of positive squares in 2 ways, for example, as 7901721 + 251001 = 2811^2 + 501^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=2019.

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 11778 + ... + 12450.

Almost surely, 2^8152722 is an apocalyptic number.

8152722 is an abundant number, since it is smaller than the sum of its proper divisors (9537795).

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

8152722 is an equidigital number, since it uses as much as digits as its factorization.

8152722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1354 (or 678 counting only the distinct ones).

The product of its digits is 2240, while the sum is 27.

The square root of 8152722 is about 2855.2971824313. The cubic root of 8152722 is about 201.2646695324.

The spelling of 8152722 in words is "eight million, one hundred fifty-two thousand, seven hundred twenty-two".