42220024073 has 2 divisors, whose sum is σ = 42220024074. Its totient is φ = 42220024072.

The previous prime is 42220024019. The next prime is 42220024079. The reversal of 42220024073 is 37042002224.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39335582224 + 2884441849 = 198332^2 + 53707^2 .

It is a cyclic number.

It is not a de Polignac number, because 42220024073 - 2¹⁴ = 42220007689 is a prime.

It is a super-3 number, since 3×42220024073³ (a number of 33 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (42220024079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21110012036 + 21110012037.

It is an arithmetic number, because the mean of its divisors is an integer number (21110012037).

Almost surely, 2^42220024073 is an apocalyptic number.

It is an amenable number.

42220024073 is a deficient number, since it is larger than the sum of its proper divisors (1).

42220024073 is an equidigital number, since it uses as much as digits as its factorization.

42220024073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5376, while the sum is 26.

Adding to 42220024073 its reverse (37042002224), we get a palindrome (79262026297).

The spelling of 42220024073 in words is "forty-two billion, two hundred twenty million, twenty-four thousand, seventy-three".