33230540 has 24 divisors (see below), whose sum is σ = 79753632. Its totient is φ = 11393280.

The previous prime is 33230539. The next prime is 33230557. The reversal of 33230540 is 4503233.

It is a super-2 number, since 2×33230540² = 2208537577383200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 118541 + ... + 118820.

It is an arithmetic number, because the mean of its divisors is an integer number (3323068).

Almost surely, 2^33230540 is an apocalyptic number.

It is an amenable number.

33230540 is an abundant number, since it is smaller than the sum of its proper divisors (46523092).

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

33230540 is a wasteful number, since it uses less digits than its factorization.

33230540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237377 (or 237375 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 20.

The square root of 33230540 is about 5764.5936543698. The cubic root of 33230540 is about 321.4986346505.

Adding to 33230540 its reverse (4503233), we get a palindrome (37733773).

The spelling of 33230540 in words is "thirty-three million, two hundred thirty thousand, five hundred forty".