42230551 has 8 divisors (see below), whose sum is σ = 46270224. Its totient is φ = 38224320.

The previous prime is 42230549. The next prime is 42230557. The reversal of 42230551 is 15503224.

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

It is a cyclic number.

It is not a de Polignac number, because 42230551 - 2¹ = 42230549 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42230557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5676 + ... + 10801.

It is an arithmetic number, because the mean of its divisors is an integer number (5783778).

Almost surely, 2^42230551 is an apocalyptic number.

42230551 is a deficient number, since it is larger than the sum of its proper divisors (4039673).

42230551 is a wasteful number, since it uses less digits than its factorization.

42230551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16721.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 42230551 is about 6498.5037508645. The cubic root of 42230551 is about 348.2375371033.

Adding to 42230551 its reverse (15503224), we get a palindrome (57733775).

The spelling of 42230551 in words is "forty-two million, two hundred thirty thousand, five hundred fifty-one".