22351273140 has 96 divisors (see below), whose sum is σ = 71547033600. Its totient is φ = 5107222656.

The previous prime is 22351273127. The next prime is 22351273151. The reversal of 22351273140 is 4137215322.

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 = 22351273098 and 22351273107.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1715089 + ... + 1728071.

It is an arithmetic number, because the mean of its divisors is an integer number (745281600).

Almost surely, 2^22351273140 is an apocalyptic number.

22351273140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22351273140 is an abundant number, since it is smaller than the sum of its proper divisors (49195760460).

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

22351273140 is a wasteful number, since it uses less digits than its factorization.

22351273140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17101 (or 17099 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 30.

Adding to 22351273140 its reverse (4137215322), we get a palindrome (26488488462).

The spelling of 22351273140 in words is "twenty-two billion, three hundred fifty-one million, two hundred seventy-three thousand, one hundred forty".