33397442 has 12 divisors (see below), whose sum is σ = 54246690. Its totient is φ = 15414048.

The previous prime is 33397433. The next prime is 33397451. The reversal of 33397442 is 24479333.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (33397433) and next prime (33397451).

It can be written as a sum of positive squares in 3 ways, for example, as 7070281 + 26327161 = 2659^2 + 5131^2 .

It is a super-2 number, since 2×33397442² = 2230778264286728, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 49067 + ... + 49742.

Almost surely, 2^33397442 is an apocalyptic number.

33397442 is a deficient number, since it is larger than the sum of its proper divisors (20849248).

33397442 is a wasteful number, since it uses less digits than its factorization.

33397442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98837 (or 98824 counting only the distinct ones).

The product of its digits is 54432, while the sum is 35.

The square root of 33397442 is about 5779.0519983817. The cubic root of 33397442 is about 322.0359835306.

The spelling of 33397442 in words is "thirty-three million, three hundred ninety-seven thousand, four hundred forty-two".