36221255 has 32 divisors (see below), whose sum is σ = 51480576. Its totient is φ = 23952384.

The previous prime is 36221249. The next prime is 36221267. The reversal of 36221255 is 55212263.

It is a cyclic number.

It is not a de Polignac number, because 36221255 - 2¹⁰ = 36220231 is a prime.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 159452 + ... + 159678.

It is an arithmetic number, because the mean of its divisors is an integer number (1608768).

Almost surely, 2^36221255 is an apocalyptic number.

36221255 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

36221255 is a deficient number, since it is larger than the sum of its proper divisors (15259321).

36221255 is a wasteful number, since it uses less digits than its factorization.

36221255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 383.

The product of its digits is 3600, while the sum is 26.

The square root of 36221255 is about 6018.4096736596. The cubic root of 36221255 is about 330.8677955557.

The spelling of 36221255 in words is "thirty-six million, two hundred twenty-one thousand, two hundred fifty-five".