42234450 has 24 divisors (see below), whose sum is σ = 104741808. Its totient is φ = 11262480.

The previous prime is 42234449. The next prime is 42234461. The reversal of 42234450 is 5443224.

It is a self number, because there is not a number n which added to its sum of digits gives 42234450.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 140632 + ... + 140931.

It is an arithmetic number, because the mean of its divisors is an integer number (4364242).

Almost surely, 2^42234450 is an apocalyptic number.

42234450 is an abundant number, since it is smaller than the sum of its proper divisors (62507358).

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

42234450 is a wasteful number, since it uses less digits than its factorization.

42234450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281578 (or 281573 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 24.

The square root of 42234450 is about 6498.8037360733. The cubic root of 42234450 is about 348.2482539606.

Adding to 42234450 its reverse (5443224), we get a palindrome (47677674).

The spelling of 42234450 in words is "forty-two million, two hundred thirty-four thousand, four hundred fifty".