17922921148 has 12 divisors (see below), whose sum is σ = 34216485912. Its totient is φ = 8146782320.

The previous prime is 17922921083. The next prime is 17922921161. The reversal of 17922921148 is 84112922971.

It is a super-2 number, since 2×17922921148² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 17922921098 and 17922921107.

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, 203669515 + ... + 203669602.

It is an arithmetic number, because the mean of its divisors is an integer number (2851373826).

Almost surely, 2^17922921148 is an apocalyptic number.

It is an amenable number.

17922921148 is a deficient number, since it is larger than the sum of its proper divisors (16293564764).

17922921148 is a wasteful number, since it uses less digits than its factorization.

17922921148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 407339132 (or 407339130 counting only the distinct ones).

The product of its digits is 145152, while the sum is 46.

The spelling of 17922921148 in words is "seventeen billion, nine hundred twenty-two million, nine hundred twenty-one thousand, one hundred forty-eight".