36622881 has 16 divisors (see below), whose sum is σ = 55581120. Its totient is φ = 23819040.

The previous prime is 36622849. The next prime is 36622897. The reversal of 36622881 is 18822663.

It is not a de Polignac number, because 36622881 - 2⁵ = 36622849 is a prime.

It is a super-2 number, since 2×36622881² = 2682470825480322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (36622381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15435 + ... + 17648.

It is an arithmetic number, because the mean of its divisors is an integer number (3473820).

Almost surely, 2^36622881 is an apocalyptic number.

It is an amenable number.

36622881 is a deficient number, since it is larger than the sum of its proper divisors (18958239).

36622881 is a wasteful number, since it uses less digits than its factorization.

36622881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33133 (or 33127 counting only the distinct ones).

The product of its digits is 27648, while the sum is 36.

The square root of 36622881 is about 6051.6841457565. The cubic root of 36622881 is about 332.0862050545.

The spelling of 36622881 in words is "thirty-six million, six hundred twenty-two thousand, eight hundred eighty-one".