22155331434 has 32 divisors (see below), whose sum is σ = 45948168000. Its totient is φ = 7113410304.

The previous prime is 22155331421. The next prime is 22155331459. The reversal of 22155331434 is 43413355122.

It is a junction number, because it is equal to n+sod(n) for n = 22155331395 and 22155331404.

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 15 ways as a sum of consecutive naturals, for example, 79039 + ... + 224850.

It is an arithmetic number, because the mean of its divisors is an integer number (1435880250).

Almost surely, 2^22155331434 is an apocalyptic number.

22155331434 is an abundant number, since it is smaller than the sum of its proper divisors (23792836566).

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

22155331434 is a wasteful number, since it uses less digits than its factorization.

22155331434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304342.

The product of its digits is 43200, while the sum is 33.

Adding to 22155331434 its reverse (43413355122), we get a palindrome (65568686556).

The spelling of 22155331434 in words is "twenty-two billion, one hundred fifty-five million, three hundred thirty-one thousand, four hundred thirty-four".