422427619 has 2 divisors, whose sum is σ = 422427620. Its totient is φ = 422427618.

The previous prime is 422427569. The next prime is 422427667. The reversal of 422427619 is 916724224.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 422427619 - 2⁹ = 422427107 is a prime.

It is a super-2 number, since 2×422427619² = 356890186588018322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (422427319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211213809 + 211213810.

It is an arithmetic number, because the mean of its divisors is an integer number (211213810).

Almost surely, 2^422427619 is an apocalyptic number.

422427619 is a deficient number, since it is larger than the sum of its proper divisors (1).

422427619 is an equidigital number, since it uses as much as digits as its factorization.

422427619 is an evil number, because the sum of its binary digits is even.

The product of its digits is 48384, while the sum is 37.

The square root of 422427619 is about 20553.0440324542. The cubic root of 422427619 is about 750.3273350408.

The spelling of 422427619 in words is "four hundred twenty-two million, four hundred twenty-seven thousand, six hundred nineteen".