42200231 has 4 divisors (see below), whose sum is σ = 42214512. Its totient is φ = 42185952.

The previous prime is 42200203. The next prime is 42200237. The reversal of 42200231 is 13200224.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 42200231 - 2⁶ = 42200167 is a prime.

It is a super-2 number, since 2×42200231² = 3561718992906722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42200237) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 875 + ... + 9228.

It is an arithmetic number, because the mean of its divisors is an integer number (10553628).

Almost surely, 2^42200231 is an apocalyptic number.

42200231 is a deficient number, since it is larger than the sum of its proper divisors (14281).

42200231 is a wasteful number, since it uses less digits than its factorization.

42200231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14280.

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

The square root of 42200231 is about 6496.1704872948. The cubic root of 42200231 is about 348.1541765206.

Adding to 42200231 its reverse (13200224), we get a palindrome (55400455).

The spelling of 42200231 in words is "forty-two million, two hundred thousand, two hundred thirty-one".