3223530 has 32 divisors (see below), whose sum is σ = 8596800. Its totient is φ = 859536.

The previous prime is 3223529. The next prime is 3223531. The reversal of 3223530 is 353223.

It is an interprime number because it is at equal distance from previous prime (3223529) and next prime (3223531).

It is a super-2 number, since 2×3223530² = 20782291321800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3223531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5700 + ... + 6239.

It is an arithmetic number, because the mean of its divisors is an integer number (268650).

Almost surely, 2^3223530 is an apocalyptic number.

3223530 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3223530 is an abundant number, since it is smaller than the sum of its proper divisors (5373270).

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

3223530 is a wasteful number, since it uses less digits than its factorization.

3223530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11955 (or 11949 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 18.

The square root of 3223530 is about 1795.4191711130. The cubic root of 3223530 is about 147.7215668443.

Adding to 3223530 its reverse (353223), we get a palindrome (3576753).

The spelling of 3223530 in words is "three million, two hundred twenty-three thousand, five hundred thirty".