4138422 has 16 divisors (see below), whose sum is σ = 8343552. Its totient is φ = 1368360.

The previous prime is 4138391. The next prime is 4138451. The reversal of 4138422 is 2248314.

It is a junction number, because it is equal to n+sod(n) for n = 4138392 and 4138401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1954 + ... + 3477.

It is an arithmetic number, because the mean of its divisors is an integer number (521472).

Almost surely, 2^4138422 is an apocalyptic number.

4138422 is an abundant number, since it is smaller than the sum of its proper divisors (4205130).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4138422 is a wasteful number, since it uses less digits than its factorization.

4138422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5563.

The product of its digits is 1536, while the sum is 24.

The square root of 4138422 is about 2034.3111856351. The cubic root of 4138422 is about 160.5504737364.

It can be divided in two parts, 4138 and 422, that added together give a triangular number (4560 = T₉₅).

The spelling of 4138422 in words is "four million, one hundred thirty-eight thousand, four hundred twenty-two".