42223061 has 8 divisors (see below), whose sum is σ = 43732224. Its totient is φ = 40739440.

The previous prime is 42223037. The next prime is 42223063. The reversal of 42223061 is 16032224.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42223061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42223063) 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, 2990 + ... + 9663.

It is an arithmetic number, because the mean of its divisors is an integer number (5466528).

Almost surely, 2^42223061 is an apocalyptic number.

It is an amenable number.

42223061 is a deficient number, since it is larger than the sum of its proper divisors (1509163).

42223061 is a wasteful number, since it uses less digits than its factorization.

42223061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12771.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 42223061 is about 6497.9274388069. The cubic root of 42223061 is about 348.2169481118.

Adding to 42223061 its reverse (16032224), we get a palindrome (58255285).

The spelling of 42223061 in words is "forty-two million, two hundred twenty-three thousand, sixty-one".