22143877146 has 16 divisors (see below), whose sum is σ = 49208616000. Its totient is φ = 7381292364.

The previous prime is 22143877117. The next prime is 22143877157. The reversal of 22143877146 is 64177834122.

22143877146 is a `hidden beast` number, since 2 + 2 + 1 + 438 + 77 + 146 = 666.

It is a super-2 number, since 2×22143877146² (a number of 21 digits) contains 22 as substring.

It is a Curzon 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, 205035846 + ... + 205035953.

It is an arithmetic number, because the mean of its divisors is an integer number (3075538500).

Almost surely, 2^22143877146 is an apocalyptic number.

22143877146 is an abundant number, since it is smaller than the sum of its proper divisors (27064738854).

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

22143877146 is a wasteful number, since it uses less digits than its factorization.

22143877146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 410071810 (or 410071804 counting only the distinct ones).

The product of its digits is 451584, while the sum is 45.

The spelling of 22143877146 in words is "twenty-two billion, one hundred forty-three million, eight hundred seventy-seven thousand, one hundred forty-six".