33440101 has 2 divisors, whose sum is σ = 33440102. Its totient is φ = 33440100.

The previous prime is 33440081. The next prime is 33440107. The reversal of 33440101 is 10104433.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23668225 + 9771876 = 4865^2 + 3126^2 .

It is an emirp because it is prime and its reverse (10104433) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-33440101 is a prime.

It is a super-2 number, since 2×33440101² = 2236480709780402, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (33440107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16720050 + 16720051.

It is an arithmetic number, because the mean of its divisors is an integer number (16720051).

Almost surely, 2^33440101 is an apocalyptic number.

It is an amenable number.

33440101 is a deficient number, since it is larger than the sum of its proper divisors (1).

33440101 is an equidigital number, since it uses as much as digits as its factorization.

33440101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 33440101 is about 5782.7416508089. The cubic root of 33440101 is about 322.1730388180.

Adding to 33440101 its reverse (10104433), we get a palindrome (43544534).

The spelling of 33440101 in words is "thirty-three million, four hundred forty thousand, one hundred one".