33223112142 has 16 divisors (see below), whose sum is σ = 72486790272. Its totient is φ = 10067609720.

The previous prime is 33223112107. The next prime is 33223112159. The reversal of 33223112142 is 24121132233.

It is a super-2 number, since 2×33223112142² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 251690178 + ... + 251690309.

It is an arithmetic number, because the mean of its divisors is an integer number (4530424392).

Almost surely, 2^33223112142 is an apocalyptic number.

33223112142 is an abundant number, since it is smaller than the sum of its proper divisors (39263678130).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

33223112142 is a wasteful number, since it uses less digits than its factorization.

33223112142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 503380503.

The product of its digits is 1728, while the sum is 24.

Adding to 33223112142 its reverse (24121132233), we get a palindrome (57344244375).

The spelling of 33223112142 in words is "thirty-three billion, two hundred twenty-three million, one hundred twelve thousand, one hundred forty-two".