22134154042 has 64 divisors (see below), whose sum is σ = 44608032000. Its totient is φ = 7954951680.

The previous prime is 22134154019. The next prime is 22134154043. The reversal of 22134154042 is 24045143122.

It is a self number, because there is not a number n which added to its sum of digits gives 22134154042.

It is not an unprimeable number, because it can be changed into a prime (22134154043) 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 31 ways as a sum of consecutive naturals, for example, 4059334 + ... + 4064782.

It is an arithmetic number, because the mean of its divisors is an integer number (697000500).

Almost surely, 2^22134154042 is an apocalyptic number.

22134154042 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22134154042 is an abundant number, since it is smaller than the sum of its proper divisors (22473877958).

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

22134154042 is a wasteful number, since it uses less digits than its factorization.

22134154042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7511.

The product of its (nonzero) digits is 7680, while the sum is 28.

Adding to 22134154042 its reverse (24045143122), we get a palindrome (46179297164).

The spelling of 22134154042 in words is "twenty-two billion, one hundred thirty-four million, one hundred fifty-four thousand, forty-two".