33422739 has 16 divisors (see below), whose sum is σ = 52115712. Its totient is φ = 18654048.

The previous prime is 33422737. The next prime is 33422747. The reversal of 33422739 is 93722433.

It is not a de Polignac number, because 33422739 - 2¹ = 33422737 is a prime.

It is a super-2 number, since 2×33422739² = 2234158964524242, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (33422737) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17604 + ... + 19409.

It is an arithmetic number, because the mean of its divisors is an integer number (3257232).

Almost surely, 2^33422739 is an apocalyptic number.

33422739 is a deficient number, since it is larger than the sum of its proper divisors (18692973).

33422739 is a wasteful number, since it uses less digits than its factorization.

33422739 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37066.

The product of its digits is 27216, while the sum is 33.

The square root of 33422739 is about 5781.2402648567. The cubic root of 33422739 is about 322.1172720743.

The spelling of 33422739 in words is "thirty-three million, four hundred twenty-two thousand, seven hundred thirty-nine".