222135 has 16 divisors (see below), whose sum is σ = 362880. Its totient is φ = 116000.

The previous prime is 222127. The next prime is 222137. The reversal of 222135 is 531222.

It is not a de Polignac number, because 222135 - 2³ = 222127 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a d-powerful number, because it can be written as 2² + 2¹⁴ + 1 + 2¹⁷ + 3¹⁰ + 5⁶ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222137) 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, 760 + ... + 1010.

It is an arithmetic number, because the mean of its divisors is an integer number (22680).

2²²²¹³⁵ is an apocalyptic number.

222135 is a deficient number, since it is larger than the sum of its proper divisors (140745).

222135 is a wasteful number, since it uses less digits than its factorization.

222135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318.

The product of its digits is 120, while the sum is 15.

The square root of 222135 is about 471.3119985742. The cubic root of 222135 is about 60.5627607259.

Adding to 222135 its reverse (531222), we get a palindrome (753357).

The spelling of 222135 in words is "two hundred twenty-two thousand, one hundred thirty-five".