83491722 has 20 divisors (see below), whose sum is σ = 187083666. Its totient is φ = 27830520.

The previous prime is 83491699. The next prime is 83491729. The reversal of 83491722 is 22719438.

It can be written as a sum of positive squares in only one way, i.e., 80838081 + 2653641 = 8991^2 + 1629^2 .

It is not an unprimeable number, because it can be changed into a prime (83491729) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 257529 + ... + 257852.

Almost surely, 2^83491722 is an apocalyptic number.

83491722 is an abundant number, since it is smaller than the sum of its proper divisors (103591944).

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

83491722 is a wasteful number, since it uses less digits than its factorization.

83491722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 515395 (or 515386 counting only the distinct ones).

The product of its digits is 24192, while the sum is 36.

The square root of 83491722 is about 9137.3804780145. The cubic root of 83491722 is about 437.0667877192.

The spelling of 83491722 in words is "eighty-three million, four hundred ninety-one thousand, seven hundred twenty-two".