33442442 has 16 divisors (see below), whose sum is σ = 54820800. Its totient is φ = 15174240.

The previous prime is 33442441. The next prime is 33442471. The reversal of 33442442 is 24424433.

It is a super-2 number, since 2×33442442² = 2236793853846728, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (33442441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16859 + ... + 18737.

It is an arithmetic number, because the mean of its divisors is an integer number (3426300).

Almost surely, 2^33442442 is an apocalyptic number.

33442442 is a deficient number, since it is larger than the sum of its proper divisors (21378358).

33442442 is a wasteful number, since it uses less digits than its factorization.

33442442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2701.

The product of its digits is 9216, while the sum is 26.

The square root of 33442442 is about 5782.9440599058. The cubic root of 33442442 is about 322.1805566331.

Adding to 33442442 its reverse (24424433), we get a palindrome (57866875).

Subtracting from 33442442 its reverse (24424433), we obtain a square (9018009 = 3003²).

The spelling of 33442442 in words is "thirty-three million, four hundred forty-two thousand, four hundred forty-two".