8154222 has 16 divisors (see below), whose sum is σ = 16515840. Its totient is φ = 2683512.

The previous prime is 8154221. The next prime is 8154229. The reversal of 8154222 is 2224518.

It is a junction number, because it is equal to n+sod(n) for n = 8154192 and 8154201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8154221) 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, 8128 + ... + 9075.

It is an arithmetic number, because the mean of its divisors is an integer number (1032240).

Almost surely, 2^8154222 is an apocalyptic number.

8154222 is an abundant number, since it is smaller than the sum of its proper divisors (8361618).

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

8154222 is a wasteful number, since it uses less digits than its factorization.

8154222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17287.

The product of its digits is 1280, while the sum is 24.

The square root of 8154222 is about 2855.5598400314. The cubic root of 8154222 is about 201.2770121786.

The spelling of 8154222 in words is "eight million, one hundred fifty-four thousand, two hundred twenty-two".