42197210 has 16 divisors (see below), whose sum is σ = 82860192. Its totient is φ = 15344400.

The previous prime is 42197191. The next prime is 42197227. The reversal of 42197210 is 1279124.

It is a self number, because there is not a number n which added to its sum of digits gives 42197210.

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, 191696 + ... + 191915.

It is an arithmetic number, because the mean of its divisors is an integer number (5178762).

Almost surely, 2^42197210 is an apocalyptic number.

42197210 is a deficient number, since it is larger than the sum of its proper divisors (40662982).

42197210 is a wasteful number, since it uses less digits than its factorization.

42197210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 383629.

The product of its (nonzero) digits is 1008, while the sum is 26.

The square root of 42197210 is about 6495.9379615264. The cubic root of 42197210 is about 348.1458685181.

The spelling of 42197210 in words is "forty-two million, one hundred ninety-seven thousand, two hundred ten".