83138422 has 8 divisors (see below), whose sum is σ = 130129776. Its totient is φ = 39761832.

The previous prime is 83138411. The next prime is 83138423. The reversal of 83138422 is 22483138.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83138423) 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, 903633 + ... + 903724.

It is an arithmetic number, because the mean of its divisors is an integer number (16266222).

Almost surely, 2^83138422 is an apocalyptic number.

83138422 is a deficient number, since it is larger than the sum of its proper divisors (46991354).

83138422 is a wasteful number, since it uses less digits than its factorization.

83138422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1807382.

The product of its digits is 9216, while the sum is 31.

The square root of 83138422 is about 9118.0273085794. The cubic root of 83138422 is about 436.4494250547.

The spelling of 83138422 in words is "eighty-three million, one hundred thirty-eight thousand, four hundred twenty-two".