8156522 has 16 divisors (see below), whose sum is σ = 13413600. Its totient is φ = 3689040.

The previous prime is 8156507. The next prime is 8156527. The reversal of 8156522 is 2256518.

It is a super-2 number, since 2×8156522² = 133057702272968, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8156527) 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, 4229 + ... + 5847.

It is an arithmetic number, because the mean of its divisors is an integer number (838350).

Almost surely, 2^8156522 is an apocalyptic number.

8156522 is a deficient number, since it is larger than the sum of its proper divisors (5257078).

8156522 is a wasteful number, since it uses less digits than its factorization.

8156522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1861.

The product of its digits is 4800, while the sum is 29.

The square root of 8156522 is about 2855.9625347683. The cubic root of 8156522 is about 201.2959346301.

It can be divided in two parts, 815 and 6522, that multiplied together give a triangular number (5315430 = T₃₂₆₀).

The spelling of 8156522 in words is "eight million, one hundred fifty-six thousand, five hundred twenty-two".