32730022 has 8 divisors (see below), whose sum is σ = 52871616. Its totient is φ = 15106152.

The previous prime is 32730011. The next prime is 32730023. The reversal of 32730022 is 22003723.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32730023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 629398 + ... + 629449.

It is an arithmetic number, because the mean of its divisors is an integer number (6608952).

Almost surely, 2^32730022 is an apocalyptic number.

32730022 is a deficient number, since it is larger than the sum of its proper divisors (20141594).

32730022 is a wasteful number, since it uses less digits than its factorization.

32730022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1258862.

The product of its (nonzero) digits is 504, while the sum is 19.

The square root of 32730022 is about 5721.0158188909. The cubic root of 32730022 is about 319.8763259063.

Adding to 32730022 its reverse (22003723), we get a palindrome (54733745).

The spelling of 32730022 in words is "thirty-two million, seven hundred thirty thousand, twenty-two".