7820230 has 48 divisors (see below), whose sum is σ = 16202592. Its totient is φ = 2710400.

The previous prime is 7820171. The next prime is 7820231. The reversal of 7820230 is 320287.

It is a happy number.

It is a super-2 number, since 2×7820230² = 122311994505800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7820231) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27690 + ... + 27970.

It is an arithmetic number, because the mean of its divisors is an integer number (337554).

Almost surely, 2^7820230 is an apocalyptic number.

7820230 is an abundant number, since it is smaller than the sum of its proper divisors (8382362).

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

7820230 is a wasteful number, since it uses less digits than its factorization.

7820230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333 (or 322 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 7820230 is about 2796.4674144356. The cubic root of 7820230 is about 198.4905531779.

The spelling of 7820230 in words is "seven million, eight hundred twenty thousand, two hundred thirty".