438622101 has 16 divisors (see below), whose sum is σ = 656123520. Its totient is φ = 289573920.

The previous prime is 438622099. The next prime is 438622103. The reversal of 438622101 is 101226834.

438622101 is a `hidden beast` number, since 4 + 38 + 622 + 1 + 0 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (438622099) and next prime (438622103).

It is not a de Polignac number, because 438622101 - 2¹ = 438622099 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (438622103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76080 + ... + 81641.

It is an arithmetic number, because the mean of its divisors is an integer number (41007720).

Almost surely, 2^438622101 is an apocalyptic number.

It is an amenable number.

438622101 is a deficient number, since it is larger than the sum of its proper divisors (217501419).

438622101 is a wasteful number, since it uses less digits than its factorization.

438622101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157833 (or 157827 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 438622101 is about 20943.3068305843. The cubic root of 438622101 is about 759.7957097495.

Adding to 438622101 its reverse (101226834), we get a palindrome (539848935).

The spelling of 438622101 in words is "four hundred thirty-eight million, six hundred twenty-two thousand, one hundred one".