33442130 has 8 divisors (see below), whose sum is σ = 60195852. Its totient is φ = 13376848.

The previous prime is 33442127. The next prime is 33442153. The reversal of 33442130 is 3124433.

It can be written as a sum of positive squares in 2 ways, for example, as 33189121 + 253009 = 5761^2 + 503^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×33442130² = 2236752117873800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1672097 + ... + 1672116.

Almost surely, 2^33442130 is an apocalyptic number.

33442130 is a deficient number, since it is larger than the sum of its proper divisors (26753722).

33442130 is a wasteful number, since it uses less digits than its factorization.

33442130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3344220.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 33442130 is about 5782.9170839638. The cubic root of 33442130 is about 322.1795547062.

Adding to 33442130 its reverse (3124433), we get a palindrome (36566563).

The spelling of 33442130 in words is "thirty-three million, four hundred forty-two thousand, one hundred thirty".