196431822 has 48 divisors (see below), whose sum is σ = 445404960. Its totient is φ = 62447616.

The previous prime is 196431797. The next prime is 196431857. The reversal of 196431822 is 228134691.

196431822 is a `hidden beast` number, since 1 + 9 + 643 + 1 + 8 + 2 + 2 = 666.

196431822 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 255054 + ... + 255822.

It is an arithmetic number, because the mean of its divisors is an integer number (9279270).

Almost surely, 2^196431822 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 196431822, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (222702480).

196431822 is an abundant number, since it is smaller than the sum of its proper divisors (248973138).

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

196431822 is a wasteful number, since it uses less digits than its factorization.

196431822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1417 (or 1414 counting only the distinct ones).

The product of its digits is 20736, while the sum is 36.

The square root of 196431822 is about 14015.4137291769. The cubic root of 196431822 is about 581.3048525411.

The spelling of 196431822 in words is "one hundred ninety-six million, four hundred thirty-one thousand, eight hundred twenty-two".