22754444140 has 12 divisors (see below), whose sum is σ = 47784332736. Its totient is φ = 9101777648.

The previous prime is 22754444093. The next prime is 22754444183. The reversal of 22754444140 is 4144445722.

It is a self number, because there is not a number n which added to its sum of digits gives 22754444140.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 568861084 + ... + 568861123.

It is an arithmetic number, because the mean of its divisors is an integer number (3982027728).

Almost surely, 2^22754444140 is an apocalyptic number.

22754444140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22754444140 is an abundant number, since it is smaller than the sum of its proper divisors (25029888596).

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

22754444140 is a wasteful number, since it uses less digits than its factorization.

22754444140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1137722216 (or 1137722214 counting only the distinct ones).

The product of its (nonzero) digits is 143360, while the sum is 37.

Adding to 22754444140 its reverse (4144445722), we get a palindrome (26898889862).

The spelling of 22754444140 in words is "twenty-two billion, seven hundred fifty-four million, four hundred forty-four thousand, one hundred forty".