42722699 has 2 divisors, whose sum is σ = 42722700. Its totient is φ = 42722698.

The previous prime is 42722677. The next prime is 42722711. The reversal of 42722699 is 99622724.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42722699 - 2¹⁶ = 42657163 is a prime.

It is not a weakly prime, because it can be changed into another prime (42722609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21361349 + 21361350.

It is an arithmetic number, because the mean of its divisors is an integer number (21361350).

Almost surely, 2^42722699 is an apocalyptic number.

42722699 is a deficient number, since it is larger than the sum of its proper divisors (1).

42722699 is an equidigital number, since it uses as much as digits as its factorization.

42722699 is an evil number, because the sum of its binary digits is even.

The product of its digits is 108864, while the sum is 41.

The square root of 42722699 is about 6536.2603222332. The cubic root of 42722699 is about 349.5850838319.

The spelling of 42722699 in words is "forty-two million, seven hundred twenty-two thousand, six hundred ninety-nine".