42272105 has 8 divisors (see below), whose sum is σ = 50792832. Its totient is φ = 33773488.

The previous prime is 42272101. The next prime is 42272119. The reversal of 42272105 is 50127224.

It is a happy number.

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 42272105 - 2² = 42272101 is a prime.

It is a super-2 number, since 2×42272105² = 3573861722262050, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42272101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 977 + ... + 9246.

It is an arithmetic number, because the mean of its divisors is an integer number (6349104).

Almost surely, 2^42272105 is an apocalyptic number.

It is an amenable number.

42272105 is a deficient number, since it is larger than the sum of its proper divisors (8520727).

42272105 is a wasteful number, since it uses less digits than its factorization.

42272105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11055.

The product of its (nonzero) digits is 1120, while the sum is 23.

The square root of 42272105 is about 6501.7001622653. The cubic root of 42272105 is about 348.3517192028.

Adding to 42272105 its reverse (50127224), we get a palindrome (92399329).

It can be divided in two parts, 422 and 72105, that added together give a palindrome (72527).

The spelling of 42272105 in words is "forty-two million, two hundred seventy-two thousand, one hundred five".