22440121434 has 24 divisors (see below), whose sum is σ = 48687169440. Its totient is φ = 7469747208.

The previous prime is 22440121421. The next prime is 22440121441. The reversal of 22440121434 is 43412104422.

22440121434 is a `hidden beast` number, since 2 + 2 + 440 + 1 + 214 + 3 + 4 = 666.

It is a super-3 number, since 3×22440121434³ (a number of 32 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22440121398 and 22440121407.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 844324 + ... + 870495.

It is an arithmetic number, because the mean of its divisors is an integer number (2028632060).

Almost surely, 2^22440121434 is an apocalyptic number.

22440121434 is an abundant number, since it is smaller than the sum of its proper divisors (26247048006).

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

22440121434 is a wasteful number, since it uses less digits than its factorization.

22440121434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1715554 (or 1715551 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 22440121434 its reverse (43412104422), we get a palindrome (65852225856).

The spelling of 22440121434 in words is "twenty-two billion, four hundred forty million, one hundred twenty-one thousand, four hundred thirty-four".