22651731348 has 12 divisors (see below), whose sum is σ = 52854039840. Its totient is φ = 7550577112.

The previous prime is 22651731343. The next prime is 22651731397. The reversal of 22651731348 is 84313715622.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22651731343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 943822128 + ... + 943822151.

It is an arithmetic number, because the mean of its divisors is an integer number (4404503320).

Almost surely, 2^22651731348 is an apocalyptic number.

It is an amenable number.

22651731348 is an abundant number, since it is smaller than the sum of its proper divisors (30202308492).

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

22651731348 is a wasteful number, since it uses less digits than its factorization.

22651731348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1887644286 (or 1887644284 counting only the distinct ones).

The product of its digits is 241920, while the sum is 42.

The spelling of 22651731348 in words is "twenty-two billion, six hundred fifty-one million, seven hundred thirty-one thousand, three hundred forty-eight".