422153903 has 2 divisors, whose sum is σ = 422153904. Its totient is φ = 422153902.

The previous prime is 422153873. The next prime is 422153947. The reversal of 422153903 is 309351224.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-422153903 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (422150903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211076951 + 211076952.

It is an arithmetic number, because the mean of its divisors is an integer number (211076952).

Almost surely, 2^422153903 is an apocalyptic number.

422153903 is a deficient number, since it is larger than the sum of its proper divisors (1).

422153903 is an equidigital number, since it uses as much as digits as its factorization.

422153903 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 422153903 is about 20546.3841831111. The cubic root of 422153903 is about 750.1652394437.

The spelling of 422153903 in words is "four hundred twenty-two million, one hundred fifty-three thousand, nine hundred three".