22240013143440 has 40 divisors (see below), whose sum is σ = 68944040745408. Its totient is φ = 5930670171520.

The previous prime is 22240013143429. The next prime is 22240013143489. The reversal of 22240013143440 is 4434131004222.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 22240013143398 and 22240013143407.

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, 46333360476 + ... + 46333360955.

Almost surely, 2^{22240013143440} is an apocalyptic number.

22240013143440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22240013143440 is an abundant number, since it is smaller than the sum of its proper divisors (46704027601968).

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

22240013143440 is a wasteful number, since it uses less digits than its factorization.

22240013143440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92666721447 (or 92666721441 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 22240013143440 its reverse (4434131004222), we get a palindrome (26674144147662).

The spelling of 22240013143440 in words is "twenty-two trillion, two hundred forty billion, thirteen million, one hundred forty-three thousand, four hundred forty".