42233755 has 4 divisors (see below), whose sum is σ = 50680512. Its totient is φ = 33787000.

The previous prime is 42233753. The next prime is 42233759. The reversal of 42233755 is 55733224.

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

It is not a de Polignac number, because 42233755 - 2¹ = 42233753 is a prime.

It is a super-2 number, since 2×42233755² = 3567380122800050, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42233753) 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, 4223371 + ... + 4223380.

It is an arithmetic number, because the mean of its divisors is an integer number (12670128).

Almost surely, 2^42233755 is an apocalyptic number.

42233755 is a deficient number, since it is larger than the sum of its proper divisors (8446757).

42233755 is an equidigital number, since it uses as much as digits as its factorization.

42233755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8446756.

The product of its digits is 25200, while the sum is 31.

The square root of 42233755 is about 6498.7502644739. The cubic root of 42233755 is about 348.2463437202.

Adding to 42233755 its reverse (55733224), we get a palindrome (97966979).

The spelling of 42233755 in words is "forty-two million, two hundred thirty-three thousand, seven hundred fifty-five".