33442401 has 4 divisors (see below), whose sum is σ = 44589872. Its totient is φ = 22294932.

The previous prime is 33442363. The next prime is 33442421. The reversal of 33442401 is 10424433.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 33442401 - 2¹³ = 33434209 is a prime.

It is a super-2 number, since 2×33442401² = 2236788369289602, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (33442421) 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, 5573731 + ... + 5573736.

It is an arithmetic number, because the mean of its divisors is an integer number (11147468).

Almost surely, 2^33442401 is an apocalyptic number.

It is an amenable number.

33442401 is a deficient number, since it is larger than the sum of its proper divisors (11147471).

33442401 is a wasteful number, since it uses less digits than its factorization.

33442401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11147470.

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

The square root of 33442401 is about 5782.9405149975. The cubic root of 33442401 is about 322.1804249700.

Adding to 33442401 its reverse (10424433), we get a palindrome (43866834).

The spelling of 33442401 in words is "thirty-three million, four hundred forty-two thousand, four hundred one".