22220055242040 has 32 divisors (see below), whose sum is σ = 66660165726480. Its totient is φ = 5925348064512.

The previous prime is 22220055241997. The next prime is 22220055242057. The reversal of 22220055242040 is 4024255002222.

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 = 22220055241989 and 22220055242007.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92583563389 + ... + 92583563628.

Almost surely, 2^{22220055242040} is an apocalyptic number.

22220055242040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22220055242040 is an abundant number, since it is smaller than the sum of its proper divisors (44440110484440).

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

22220055242040 is a wasteful number, since it uses less digits than its factorization.

22220055242040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185167127031 (or 185167127027 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 30.

The spelling of 22220055242040 in words is "twenty-two trillion, two hundred twenty billion, fifty-five million, two hundred forty-two thousand, forty".