36222143 has 4 divisors (see below), whose sum is σ = 36762840. Its totient is φ = 35681448.

The previous prime is 36222107. The next prime is 36222157. The reversal of 36222143 is 34122263.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-36222143 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36222103) 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, 270248 + ... + 270381.

It is an arithmetic number, because the mean of its divisors is an integer number (9190710).

Almost surely, 2^36222143 is an apocalyptic number.

36222143 is a deficient number, since it is larger than the sum of its proper divisors (540697).

36222143 is an equidigital number, since it uses as much as digits as its factorization.

36222143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 540696.

The product of its digits is 1728, while the sum is 23.

The square root of 36222143 is about 6018.4834468494. The cubic root of 36222143 is about 330.8704993844.

The spelling of 36222143 in words is "thirty-six million, two hundred twenty-two thousand, one hundred forty-three".