22124222332140 has 48 divisors (see below), whose sum is σ = 62080473192192. Its totient is φ = 5887159225536.

The previous prime is 22124222332133. The next prime is 22124222332141. The reversal of 22124222332140 is 4123322242122.

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 = 22124222332098 and 22124222332107.

It is not an unprimeable number, because it can be changed into a prime (22124222332141) 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, 394765384 + ... + 394821423.

It is an arithmetic number, because the mean of its divisors is an integer number (1293343191504).

Almost surely, 2^{22124222332140} is an apocalyptic number.

22124222332140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22124222332140 is an abundant number, since it is smaller than the sum of its proper divisors (39956250860052).

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

22124222332140 is a wasteful number, since it uses less digits than its factorization.

22124222332140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 789587286 (or 789587284 counting only the distinct ones).

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

Adding to 22124222332140 its reverse (4123322242122), we get a palindrome (26247544574262).

The spelling of 22124222332140 in words is "twenty-two trillion, one hundred twenty-four billion, two hundred twenty-two million, three hundred thirty-two thousand, one hundred forty".