22125220415040 has 112 divisors (see below), whose sum is σ = 70313786890560. Its totient is φ = 5894497658880.

The previous prime is 22125220415033. The next prime is 22125220415047. The reversal of 22125220415040 is 4051402252122.

It is an interprime number because it is at equal distance from previous prime (22125220415033) and next prime (22125220415047).

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 = 22125220414989 and 22125220415007.

It is not an unprimeable number, because it can be changed into a prime (22125220415047) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9842470 + ... + 11879589.

Almost surely, 2^{22125220415040} is an apocalyptic number.

22125220415040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22125220415040 is an abundant number, since it is smaller than the sum of its proper divisors (48188566475520).

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

22125220415040 is a wasteful number, since it uses less digits than its factorization.

22125220415040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21723140 (or 21723130 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 30.

Adding to 22125220415040 its reverse (4051402252122), we get a palindrome (26176622667162).

The spelling of 22125220415040 in words is "twenty-two trillion, one hundred twenty-five billion, two hundred twenty million, four hundred fifteen thousand, forty".