33221043242 has 8 divisors (see below), whose sum is σ = 49834324416. Its totient is φ = 16609601772.

The previous prime is 33221043241. The next prime is 33221043253. The reversal of 33221043242 is 24234012233.

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

It is a super-2 number, since 2×33221043242² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (33221043241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 413858 + ... + 487565.

It is an arithmetic number, because the mean of its divisors is an integer number (6229290552).

Almost surely, 2^33221043242 is an apocalyptic number.

33221043242 is a deficient number, since it is larger than the sum of its proper divisors (16613281174).

33221043242 is a wasteful number, since it uses less digits than its factorization.

33221043242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 919852.

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 33221043242 its reverse (24234012233), we get a palindrome (57455055475).

The spelling of 33221043242 in words is "thirty-three billion, two hundred twenty-one million, forty-three thousand, two hundred forty-two".