36822921 has 16 divisors (see below), whose sum is σ = 50645760. Its totient is φ = 23783760.

The previous prime is 36822917. The next prime is 36822991. The reversal of 36822921 is 12922863.

It is a happy number.

It is not a de Polignac number, because 36822921 - 2² = 36822917 is a prime.

It is not an unprimeable number, because it can be changed into a prime (36822911) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15810 + ... + 17988.

It is an arithmetic number, because the mean of its divisors is an integer number (3165360).

Almost surely, 2^36822921 is an apocalyptic number.

It is an amenable number.

36822921 is a deficient number, since it is larger than the sum of its proper divisors (13822839).

36822921 is a wasteful number, since it uses less digits than its factorization.

36822921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2356.

The product of its digits is 10368, while the sum is 33.

The square root of 36822921 is about 6068.1892686369. The cubic root of 36822921 is about 332.6897433979.

The spelling of 36822921 in words is "thirty-six million, eight hundred twenty-two thousand, nine hundred twenty-one".