42231355 has 8 divisors (see below), whose sum is σ = 50721264. Its totient is φ = 33756000.

The previous prime is 42231347. The next prime is 42231359. The reversal of 42231355 is 55313224.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 42231355 - 2³ = 42231347 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42231359) 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, 4345 + ... + 10165.

It is an arithmetic number, because the mean of its divisors is an integer number (6340158).

Almost surely, 2^42231355 is an apocalyptic number.

42231355 is a deficient number, since it is larger than the sum of its proper divisors (8489909).

42231355 is a wasteful number, since it uses less digits than its factorization.

42231355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7277.

The product of its digits is 3600, while the sum is 25.

The square root of 42231355 is about 6498.5656109637. The cubic root of 42231355 is about 348.2397470453.

Adding to 42231355 its reverse (55313224), we get a palindrome (97544579).

The spelling of 42231355 in words is "forty-two million, two hundred thirty-one thousand, three hundred fifty-five".