4222624729 has 2 divisors, whose sum is σ = 4222624730. Its totient is φ = 4222624728.

The previous prime is 4222624723. The next prime is 4222624759. The reversal of 4222624729 is 9274262224.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3357970704 + 864654025 = 57948^2 + 29405^2 .

It is a cyclic number.

It is not a de Polignac number, because 4222624729 - 2²⁵ = 4189070297 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4222624691 and 4222624700.

It is not a weakly prime, because it can be changed into another prime (4222624723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2111312364 + 2111312365.

It is an arithmetic number, because the mean of its divisors is an integer number (2111312365).

Almost surely, 2^4222624729 is an apocalyptic number.

It is an amenable number.

4222624729 is a deficient number, since it is larger than the sum of its proper divisors (1).

4222624729 is an equidigital number, since it uses as much as digits as its factorization.

4222624729 is an evil number, because the sum of its binary digits is even.

The product of its digits is 193536, while the sum is 40.

The square root of 4222624729 is about 64981.7261158858. The cubic root of 4222624729 is about 1616.3205535932.

The spelling of 4222624729 in words is "four billion, two hundred twenty-two million, six hundred twenty-four thousand, seven hundred twenty-nine".