3223990 has 64 divisors (see below), whose sum is σ = 7464960. Its totient is φ = 973440.

The previous prime is 3223967. The next prime is 3223991. The reversal of 3223990 is 993223.

It is a happy number.

3223990 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×3223990² = 20788223040200, which contains 22 as substring.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3223991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 40771 + ... + 40849.

It is an arithmetic number, because the mean of its divisors is an integer number (116640).

Almost surely, 2^3223990 is an apocalyptic number.

3223990 is an abundant number, since it is smaller than the sum of its proper divisors (4240970).

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

3223990 is a wasteful number, since it uses less digits than its factorization.

3223990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157.

The product of its (nonzero) digits is 2916, while the sum is 28.

The square root of 3223990 is about 1795.5472703329. The cubic root of 3223990 is about 147.7285931673.

The spelling of 3223990 in words is "three million, two hundred twenty-three thousand, nine hundred ninety".