8122572 has 24 divisors (see below), whose sum is σ = 21058800. Its totient is φ = 2707488.

The previous prime is 8122561. The next prime is 8122579. The reversal of 8122572 is 2752218.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (8122579) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37497 + ... + 37712.

It is an arithmetic number, because the mean of its divisors is an integer number (877450).

Almost surely, 2^8122572 is an apocalyptic number.

It is an amenable number.

8122572 is an abundant number, since it is smaller than the sum of its proper divisors (12936228).

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

8122572 is a wasteful number, since it uses less digits than its factorization.

8122572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75222 (or 75214 counting only the distinct ones).

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

The square root of 8122572 is about 2850.0126315510. The cubic root of 8122572 is about 201.0162606582.

The spelling of 8122572 in words is "eight million, one hundred twenty-two thousand, five hundred seventy-two".