22748134388 has 24 divisors (see below), whose sum is σ = 45566623872. Its totient is φ = 9734124384.

The previous prime is 22748134369. The next prime is 22748134417. The reversal of 22748134388 is 88343184722.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 609731 + ... + 645962.

It is an arithmetic number, because the mean of its divisors is an integer number (1898609328).

Almost surely, 2^22748134388 is an apocalyptic number.

22748134388 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

22748134388 is an abundant number, since it is smaller than the sum of its proper divisors (22818489484).

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

22748134388 is a wasteful number, since it uses less digits than its factorization.

22748134388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1256351 (or 1256349 counting only the distinct ones).

The product of its digits is 2064384, while the sum is 50.

The spelling of 22748134388 in words is "twenty-two billion, seven hundred forty-eight million, one hundred thirty-four thousand, three hundred eighty-eight".