3225140 has 36 divisors (see below), whose sum is σ = 7014756. Its totient is φ = 1245312.

The previous prime is 3225139. The next prime is 3225143. The reversal of 3225140 is 415223.

It can be written as a sum of positive squares in 2 ways, for example, as 1493284 + 1731856 = 1222^2 + 1316^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3225143) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 44144 + ... + 44216.

Almost surely, 2^3225140 is an apocalyptic number.

It is an amenable number.

3225140 is an abundant number, since it is smaller than the sum of its proper divisors (3789616).

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

3225140 is a wasteful number, since it uses less digits than its factorization.

3225140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176 (or 127 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 3225140 is about 1795.8674784070. The cubic root of 3225140 is about 147.7461560512.

The spelling of 3225140 in words is "three million, two hundred twenty-five thousand, one hundred forty".