33144402 has 8 divisors (see below), whose sum is σ = 66288816. Its totient is φ = 11048132.

The previous prime is 33144367. The next prime is 33144413. The reversal of 33144402 is 20444133.

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

33144402 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2762028 + ... + 2762039.

It is an arithmetic number, because the mean of its divisors is an integer number (8286102).

Almost surely, 2^33144402 is an apocalyptic number.

33144402 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

33144402 is a wasteful number, since it uses less digits than its factorization.

33144402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5524072.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 33144402 is about 5757.1175079201. The cubic root of 33144402 is about 321.2206051420.

Adding to 33144402 its reverse (20444133), we get a palindrome (53588535).

The spelling of 33144402 in words is "thirty-three million, one hundred forty-four thousand, four hundred two".