73222783 has 2 divisors, whose sum is σ = 73222784. Its totient is φ = 73222782.

The previous prime is 73222771. The next prime is 73222817. The reversal of 73222783 is 38722237.

It is a happy number.

It is an a-pointer prime, because the next prime (73222817) can be obtained adding 73222783 to its sum of digits (34).

It is a weak prime.

It is an emirp because it is prime and its reverse (38722237) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 73222783 - 2²⁵ = 39668351 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73222763) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36611391 + 36611392.

It is an arithmetic number, because the mean of its divisors is an integer number (36611392).

Almost surely, 2^73222783 is an apocalyptic number.

73222783 is a deficient number, since it is larger than the sum of its proper divisors (1).

73222783 is an equidigital number, since it uses as much as digits as its factorization.

73222783 is an evil number, because the sum of its binary digits is even.

The product of its digits is 28224, while the sum is 34.

The square root of 73222783 is about 8557.0312024674. The cubic root of 73222783 is about 418.3586411712.

The spelling of 73222783 in words is "seventy-three million, two hundred twenty-two thousand, seven hundred eighty-three".