36991322 has 4 divisors (see below), whose sum is σ = 55486986. Its totient is φ = 18495660.

The previous prime is 36991321. The next prime is 36991343. The reversal of 36991322 is 22319963.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 36711481 + 279841 = 6059^2 + 529^2 .

It is not an unprimeable number, because it can be changed into a prime (36991321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9247829 + ... + 9247832.

Almost surely, 2^36991322 is an apocalyptic number.

36991322 is a deficient number, since it is larger than the sum of its proper divisors (18495664).

36991322 is a wasteful number, since it uses less digits than its factorization.

36991322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18495663.

The product of its digits is 17496, while the sum is 35.

The square root of 36991322 is about 6082.0491612614. The cubic root of 36991322 is about 333.1961317572.

The spelling of 36991322 in words is "thirty-six million, nine hundred ninety-one thousand, three hundred twenty-two".