36921223 has 4 divisors (see below), whose sum is σ = 37047528. Its totient is φ = 36794920.

The previous prime is 36921193. The next prime is 36921251. The reversal of 36921223 is 32212963.

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

It is a cyclic number.

It is not a de Polignac number, because 36921223 - 2⁹ = 36920711 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 36921191 and 36921200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36921253) 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, 62713 + ... + 63298.

It is an arithmetic number, because the mean of its divisors is an integer number (9261882).

Almost surely, 2^36921223 is an apocalyptic number.

36921223 is a deficient number, since it is larger than the sum of its proper divisors (126305).

36921223 is a wasteful number, since it uses less digits than its factorization.

36921223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126304.

The product of its digits is 3888, while the sum is 28.

The square root of 36921223 is about 6076.2836503903. The cubic root of 36921223 is about 332.9855284437.

The spelling of 36921223 in words is "thirty-six million, nine hundred twenty-one thousand, two hundred twenty-three".