838422001 has 4 divisors (see below), whose sum is σ = 865467904. Its totient is φ = 811376100.

The previous prime is 838421993. The next prime is 838422017. The reversal of 838422001 is 100224838.

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 a cyclic number.

It is not a de Polignac number, because 838422001 - 2³ = 838421993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (838422061) 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, 13522905 + ... + 13522966.

It is an arithmetic number, because the mean of its divisors is an integer number (216366976).

Almost surely, 2^838422001 is an apocalyptic number.

It is an amenable number.

838422001 is a deficient number, since it is larger than the sum of its proper divisors (27045903).

838422001 is a wasteful number, since it uses less digits than its factorization.

838422001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27045902.

The product of its (nonzero) digits is 3072, while the sum is 28.

The square root of 838422001 is about 28955.5176261796. The cubic root of 838422001 is about 942.9475910683.

Adding to 838422001 its reverse (100224838), we get a palindrome (938646839).

The spelling of 838422001 in words is "eight hundred thirty-eight million, four hundred twenty-two thousand, one".