42197232 has 160 divisors (see below), whose sum is σ = 139276800. Its totient is φ = 10913280.

The previous prime is 42197227. The next prime is 42197237. The reversal of 42197232 is 23279124.

It is an interprime number because it is at equal distance from previous prime (42197227) and next prime (42197237).

It is a self number, because there is not a number n which added to its sum of digits gives 42197232.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42197237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 180988 + ... + 181220.

It is an arithmetic number, because the mean of its divisors is an integer number (870480).

Almost surely, 2^42197232 is an apocalyptic number.

42197232 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42197232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69638400).

42197232 is an abundant number, since it is smaller than the sum of its proper divisors (97079568).

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

42197232 is a wasteful number, since it uses less digits than its factorization.

42197232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276 (or 256 counting only the distinct ones).

The product of its digits is 6048, while the sum is 30.

The square root of 42197232 is about 6495.9396548921. The cubic root of 42197232 is about 348.1459290214.

The spelling of 42197232 in words is "forty-two million, one hundred ninety-seven thousand, two hundred thirty-two".