4222378429 has 2 divisors, whose sum is σ = 4222378430. Its totient is φ = 4222378428.

The previous prime is 4222378423. The next prime is 4222378439. The reversal of 4222378429 is 9248732224.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2204302500 + 2018075929 = 46950^2 + 44923^2 .

It is a cyclic number.

It is not a de Polignac number, because 4222378429 - 2⁷ = 4222378301 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4222378423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2111189214 + 2111189215.

It is an arithmetic number, because the mean of its divisors is an integer number (2111189215).

Almost surely, 2^4222378429 is an apocalyptic number.

It is an amenable number.

4222378429 is a deficient number, since it is larger than the sum of its proper divisors (1).

4222378429 is an equidigital number, since it uses as much as digits as its factorization.

4222378429 is an evil number, because the sum of its binary digits is even.

The product of its digits is 387072, while the sum is 43.

The square root of 4222378429 is about 64979.8309400694. The cubic root of 4222378429 is about 1616.2891270502.

The spelling of 4222378429 in words is "four billion, two hundred twenty-two million, three hundred seventy-eight thousand, four hundred twenty-nine".