42203100 has 36 divisors (see below), whose sum is σ = 122108504. Its totient is φ = 11254080.

The previous prime is 42203087. The next prime is 42203107. The reversal of 42203100 is 130224.

It is a super-2 number, since 2×42203100² = 3562203299220000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42203107) 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, 70039 + ... + 70638.

Almost surely, 2^42203100 is an apocalyptic number.

It is an amenable number.

42203100 is an abundant number, since it is smaller than the sum of its proper divisors (79905404).

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

42203100 is a wasteful number, since it uses less digits than its factorization.

42203100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140694 (or 140687 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 42203100 is about 6496.3913059482. The cubic root of 42203100 is about 348.1620661432.

Adding to 42203100 its reverse (130224), we get a palindrome (42333324).

The spelling of 42203100 in words is "forty-two million, two hundred three thousand, one hundred".