22153321442 has 16 divisors (see below), whose sum is σ = 37986242112. Its totient is φ = 9492000720.

The previous prime is 22153321427. The next prime is 22153321451. The reversal of 22153321442 is 24412335122.

It is a super-3 number, since 3×22153321442³ (a number of 32 digits) contains 333 as substring.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 128933 + ... + 246840.

It is an arithmetic number, because the mean of its divisors is an integer number (2374140132).

Almost surely, 2^22153321442 is an apocalyptic number.

22153321442 is a deficient number, since it is larger than the sum of its proper divisors (15832920670).

22153321442 is a wasteful number, since it uses less digits than its factorization.

22153321442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 379993.

The product of its digits is 11520, while the sum is 29.

Adding to 22153321442 its reverse (24412335122), we get a palindrome (46565656564).

The spelling of 22153321442 in words is "twenty-two billion, one hundred fifty-three million, three hundred twenty-one thousand, four hundred forty-two".