33444442 has 8 divisors (see below), whose sum is σ = 50209236. Its totient is φ = 16708032.

The previous prime is 33444421. The next prime is 33444449. The reversal of 33444442 is 24444433.

It can be written as a sum of positive squares in 2 ways, for example, as 27973521 + 5470921 = 5289^2 + 2339^2 .

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

It is a super-2 number, since 2×33444442² = 2237061401382728, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 33444442.

It is not an unprimeable number, because it can be changed into a prime (33444449) 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, 3853 + ... + 9040.

Almost surely, 2^33444442 is an apocalyptic number.

33444442 is a deficient number, since it is larger than the sum of its proper divisors (16764794).

33444442 is a wasteful number, since it uses less digits than its factorization.

33444442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14192.

The product of its digits is 18432, while the sum is 28.

The square root of 33444442 is about 5783.1169796227. The cubic root of 33444442 is about 322.1869790934.

Adding to 33444442 its reverse (24444433), we get a palindrome (57888875).

Subtracting from 33444442 its reverse (24444433), we obtain a palindrome (9000009).

The spelling of 33444442 in words is "thirty-three million, four hundred forty-four thousand, four hundred forty-two".