8375220 has 216 divisors, whose sum is σ = 32183424. Its totient is φ = 1723392.

The previous prime is 8375189. The next prime is 8375251. The reversal of 8375220 is 225738.

It is an interprime number because it is at equal distance from previous prime (8375189) and next prime (8375251).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 364129 + ... + 364151.

Almost surely, 2^8375220 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 8375220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16091712).

8375220 is an abundant number, since it is smaller than the sum of its proper divisors (23808204).

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

8375220 is a wasteful number, since it uses less digits than its factorization.

8375220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79 (or 57 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 8375220 is about 2893.9972356587. The cubic root of 8375220 is about 203.0791831969.

The spelling of 8375220 in words is "eight million, three hundred seventy-five thousand, two hundred twenty".