22220134400040 has 32 divisors (see below), whose sum is σ = 66660403200480. Its totient is φ = 5925369173312.

The previous prime is 22220134400017. The next prime is 22220134400053. The reversal of 22220134400040 is 4000443102222.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92583893214 + ... + 92583893453.

It is an arithmetic number, because the mean of its divisors is an integer number (2083137600015).

Almost surely, 2^{22220134400040} is an apocalyptic number.

22220134400040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22220134400040 is an abundant number, since it is smaller than the sum of its proper divisors (44440268800440).

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

22220134400040 is a wasteful number, since it uses less digits than its factorization.

22220134400040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185167786681 (or 185167786677 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 22220134400040 its reverse (4000443102222), we get a palindrome (26220577502262).

The spelling of 22220134400040 in words is "twenty-two trillion, two hundred twenty billion, one hundred thirty-four million, four hundred thousand, forty".