42216700 has 36 divisors (see below), whose sum is σ = 92992312. Its totient is φ = 16632000.

The previous prime is 42216679. The next prime is 42216709. The reversal of 42216700 is 761224.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42216709) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3550 + ... + 9850.

Almost surely, 2^42216700 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42216700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46496156).

42216700 is an abundant number, since it is smaller than the sum of its proper divisors (50775612).

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

42216700 is a wasteful number, since it uses less digits than its factorization.

42216700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6382 (or 6375 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 42216700 is about 6497.4379566103. The cubic root of 42216700 is about 348.1994606756.

Adding to 42216700 its reverse (761224), we get a palindrome (42977924).

The spelling of 42216700 in words is "forty-two million, two hundred sixteen thousand, seven hundred".