22391148508 has 12 divisors (see below), whose sum is σ = 40888184400. Its totient is φ = 10708810112.

The previous prime is 22391148487. The next prime is 22391148517. The reversal of 22391148508 is 80584119322.

It is a congruent number.

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, 121690933 + ... + 121691116.

It is an arithmetic number, because the mean of its divisors is an integer number (3407348700).

Almost surely, 2^22391148508 is an apocalyptic number.

It is an amenable number.

22391148508 is a deficient number, since it is larger than the sum of its proper divisors (18497035892).

22391148508 is a wasteful number, since it uses less digits than its factorization.

22391148508 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243382076 (or 243382074 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 43.

The spelling of 22391148508 in words is "twenty-two billion, three hundred ninety-one million, one hundred forty-eight thousand, five hundred eight".