197022983 has 2 divisors, whose sum is σ = 197022984. Its totient is φ = 197022982.

The previous prime is 197022977. The next prime is 197023009. The reversal of 197022983 is 389220791.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 197022983 - 2⁴ = 197022967 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 197022983.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (197022083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98511491 + 98511492.

It is an arithmetic number, because the mean of its divisors is an integer number (98511492).

Almost surely, 2^197022983 is an apocalyptic number.

197022983 is a deficient number, since it is larger than the sum of its proper divisors (1).

197022983 is an equidigital number, since it uses as much as digits as its factorization.

197022983 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54432, while the sum is 41.

The square root of 197022983 is about 14036.4875592151. The cubic root of 197022983 is about 581.8874136167.

The spelling of 197022983 in words is "one hundred ninety-seven million, twenty-two thousand, nine hundred eighty-three".