422937641 has 4 divisors (see below), whose sum is σ = 483357312. Its totient is φ = 362517972.

The previous prime is 422937623. The next prime is 422937659. The reversal of 422937641 is 146739224.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (422937623) and next prime (422937659).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-422937641 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 422937595 and 422937604.

It is not an unprimeable number, because it can be changed into a prime (422934641) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30209825 + ... + 30209838.

It is an arithmetic number, because the mean of its divisors is an integer number (120839328).

Almost surely, 2^422937641 is an apocalyptic number.

It is an amenable number.

422937641 is a deficient number, since it is larger than the sum of its proper divisors (60419671).

422937641 is an equidigital number, since it uses as much as digits as its factorization.

422937641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60419670.

The product of its digits is 72576, while the sum is 38.

The square root of 422937641 is about 20565.4477461591. The cubic root of 422937641 is about 750.6291852056.

The spelling of 422937641 in words is "four hundred twenty-two million, nine hundred thirty-seven thousand, six hundred forty-one".