8221154 has 8 divisors (see below), whose sum is σ = 12344400. Its totient is φ = 4106356.

The previous prime is 8221139. The next prime is 8221177. The reversal of 8221154 is 4511228.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1697 + ... + 4395.

It is an arithmetic number, because the mean of its divisors is an integer number (1543050).

Almost surely, 2^8221154 is an apocalyptic number.

8221154 is a deficient number, since it is larger than the sum of its proper divisors (4123246).

8221154 is a wasteful number, since it uses less digits than its factorization.

8221154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4224.

The product of its digits is 640, while the sum is 23.

The square root of 8221154 is about 2867.2554821641. The cubic root of 8221154 is about 201.8262237783.

The spelling of 8221154 in words is "eight million, two hundred twenty-one thousand, one hundred fifty-four".