36221543 has 16 divisors (see below), whose sum is σ = 40734720. Its totient is φ = 32006016.

The previous prime is 36221519. The next prime is 36221569. The reversal of 36221543 is 34512263.

It is a cyclic number.

It is not a de Polignac number, because 36221543 - 2¹⁴ = 36205159 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36221503) 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, 40580 + ... + 41462.

It is an arithmetic number, because the mean of its divisors is an integer number (2545920).

Almost surely, 2^36221543 is an apocalyptic number.

36221543 is a deficient number, since it is larger than the sum of its proper divisors (4513177).

36221543 is a wasteful number, since it uses less digits than its factorization.

36221543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1046.

The product of its digits is 4320, while the sum is 26.

The square root of 36221543 is about 6018.4336001986. The cubic root of 36221543 is about 330.8686724780.

The spelling of 36221543 in words is "thirty-six million, two hundred twenty-one thousand, five hundred forty-three".