42228248497 has 4 divisors (see below), whose sum is σ = 42245508096. Its totient is φ = 42210988900.

The previous prime is 42228248483. The next prime is 42228248519. The reversal of 42228248497 is 79484282224.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42228248497 is a prime.

It is a super-2 number, since 2×42228248497² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42228248597) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8626129 + ... + 8631022.

It is an arithmetic number, because the mean of its divisors is an integer number (10561377024).

Almost surely, 2^42228248497 is an apocalyptic number.

It is an amenable number.

42228248497 is a deficient number, since it is larger than the sum of its proper divisors (17259599).

42228248497 is a wasteful number, since it uses less digits than its factorization.

42228248497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17259598.

The product of its digits is 4128768, while the sum is 52.

The spelling of 42228248497 in words is "forty-two billion, two hundred twenty-eight million, two hundred forty-eight thousand, four hundred ninety-seven".