42200312 has 32 divisors (see below), whose sum is σ = 98651520. Its totient is φ = 16441440.

The previous prime is 42200309. The next prime is 42200317. The reversal of 42200312 is 21300224.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42200317) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33638 + ... + 34869.

It is an arithmetic number, because the mean of its divisors is an integer number (3082860).

Almost surely, 2^42200312 is an apocalyptic number.

It is an amenable number.

42200312 is an abundant number, since it is smaller than the sum of its proper divisors (56451208).

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

42200312 is a wasteful number, since it uses less digits than its factorization.

42200312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68531 (or 68527 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 42200312 is about 6496.1767217341. The cubic root of 42200312 is about 348.1543992719.

Adding to 42200312 its reverse (21300224), we get a palindrome (63500536).

The spelling of 42200312 in words is "forty-two million, two hundred thousand, three hundred twelve".