33144419 has 16 divisors (see below), whose sum is σ = 42750720. Its totient is φ = 24934560.

The previous prime is 33144413. The next prime is 33144481. The reversal of 33144419 is 91444133.

It is not a de Polignac number, because 33144419 - 2¹⁶ = 33078883 is a prime.

It is a super-2 number, since 2×33144419² = 2197105021695122, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 33144391 and 33144400.

It is not an unprimeable number, because it can be changed into a prime (33144413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5189 + ... + 9654.

It is an arithmetic number, because the mean of its divisors is an integer number (2671920).

Almost surely, 2^33144419 is an apocalyptic number.

33144419 is a deficient number, since it is larger than the sum of its proper divisors (9606301).

33144419 is a wasteful number, since it uses less digits than its factorization.

33144419 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14890.

The product of its digits is 5184, while the sum is 29.

The square root of 33144419 is about 5757.1189843532. The cubic root of 33144419 is about 321.2206600607.

The spelling of 33144419 in words is "thirty-three million, one hundred forty-four thousand, four hundred nineteen".