8254220 has 48 divisors (see below), whose sum is σ = 19051200. Its totient is φ = 2985216.

The previous prime is 8254193. The next prime is 8254223. The reversal of 8254220 is 224528.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (8254223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13481 + ... + 14079.

It is an arithmetic number, because the mean of its divisors is an integer number (396900).

Almost surely, 2^8254220 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8254220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9525600).

8254220 is an abundant number, since it is smaller than the sum of its proper divisors (10796980).

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

8254220 is a wasteful number, since it uses less digits than its factorization.

8254220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 674 (or 672 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 23.

The square root of 8254220 is about 2873.0158370604. The cubic root of 8254220 is about 202.0964477501.

Adding to 8254220 its reverse (224528), we get a palindrome (8478748).

The spelling of 8254220 in words is "eight million, two hundred fifty-four thousand, two hundred twenty".