22033043442 has 20 divisors (see below), whose sum is σ = 49370338446. Its totient is φ = 7344347760.

The previous prime is 22033043441. The next prime is 22033043479. The reversal of 22033043442 is 24434033022.

22033043442 is a `hidden beast` number, since 220 + 3 + 3 + 0 + 434 + 4 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 21682268001 + 350775441 = 147249^2 + 18729^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (22033043441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 68003059 + ... + 68003382.

Almost surely, 2^22033043442 is an apocalyptic number.

22033043442 is an abundant number, since it is smaller than the sum of its proper divisors (27337295004).

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

22033043442 is a wasteful number, since it uses less digits than its factorization.

22033043442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136006455 (or 136006446 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 27.

Adding to 22033043442 its reverse (24434033022), we get a palindrome (46467076464).

The spelling of 22033043442 in words is "twenty-two billion, thirty-three million, forty-three thousand, four hundred forty-two".