8462220 has 96 divisors (see below), whose sum is σ = 26906880. Its totient is φ = 1969920.

The previous prime is 8462213. The next prime is 8462221. The reversal of 8462220 is 222648.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8462221) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14535 + ... + 15105.

It is an arithmetic number, because the mean of its divisors is an integer number (280280).

Almost surely, 2^8462220 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 8462220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13453440).

8462220 is an abundant number, since it is smaller than the sum of its proper divisors (18444660).

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

8462220 is a wasteful number, since it uses less digits than its factorization.

8462220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 615 (or 613 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 8462220 is about 2908.9895152785. The cubic root of 8462220 is about 203.7799434081.

Adding to 8462220 its reverse (222648), we get a palindrome (8684868).

The spelling of 8462220 in words is "eight million, four hundred sixty-two thousand, two hundred twenty".