22040002042220 has 48 divisors (see below), whose sum is σ = 47587838207616. Its totient is φ = 8569238400000.

The previous prime is 22040002042193. The next prime is 22040002042277. The reversal of 22040002042220 is 2224020004022.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 22040002042192 and 22040002042201.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49368281 + ... + 49812720.

It is an arithmetic number, because the mean of its divisors is an integer number (991413295992).

Almost surely, 2^{22040002042220} is an apocalyptic number.

22040002042220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22040002042220 is an abundant number, since it is smaller than the sum of its proper divisors (25547836165396).

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

22040002042220 is a wasteful number, since it uses less digits than its factorization.

22040002042220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99181322 (or 99181320 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 20.

Adding to 22040002042220 its reverse (2224020004022), we get a palindrome (24264022046242).

The spelling of 22040002042220 in words is "twenty-two trillion, forty billion, two million, forty-two thousand, two hundred twenty".