42294197 has 4 divisors (see below), whose sum is σ = 46139136. Its totient is φ = 38449260.

The previous prime is 42294191. The next prime is 42294223. The reversal of 42294197 is 79149224.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 42294197 - 2¹⁴ = 42277813 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42294197.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42294191) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1922453 + ... + 1922474.

It is an arithmetic number, because the mean of its divisors is an integer number (11534784).

Almost surely, 2^42294197 is an apocalyptic number.

It is an amenable number.

42294197 is a deficient number, since it is larger than the sum of its proper divisors (3844939).

42294197 is a wasteful number, since it uses less digits than its factorization.

42294197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3844938.

The product of its digits is 36288, while the sum is 38.

The square root of 42294197 is about 6503.3988805854. The cubic root of 42294197 is about 348.4123931463.

The spelling of 42294197 in words is "forty-two million, two hundred ninety-four thousand, one hundred ninety-seven".