42223754 has 4 divisors (see below), whose sum is σ = 63335634. Its totient is φ = 21111876.

The previous prime is 42223751. The next prime is 42223759. The reversal of 42223754 is 45732224.

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

It can be written as a sum of positive squares in only one way, i.e., 22819729 + 19404025 = 4777^2 + 4405^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (42223751) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10555937 + ... + 10555940.

Almost surely, 2^42223754 is an apocalyptic number.

42223754 is a deficient number, since it is larger than the sum of its proper divisors (21111880).

42223754 is a wasteful number, since it uses less digits than its factorization.

42223754 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21111879.

The product of its digits is 13440, while the sum is 29.

The square root of 42223754 is about 6497.9807632833. The cubic root of 42223754 is about 348.2188531767.

Adding to 42223754 its reverse (45732224), we get a palindrome (87955978).

The spelling of 42223754 in words is "forty-two million, two hundred twenty-three thousand, seven hundred fifty-four".