222144355 has 16 divisors (see below), whose sum is σ = 289142784. Its totient is φ = 163179520.

The previous prime is 222144347. The next prime is 222144367. The reversal of 222144355 is 553441222.

It is not a de Polignac number, because 222144355 - 2³ = 222144347 is a prime.

It is a super-2 number, since 2×222144355² = 98696228916732050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28387 + ... + 35356.

It is an arithmetic number, because the mean of its divisors is an integer number (18071424).

Almost surely, 2^222144355 is an apocalyptic number.

222144355 is a deficient number, since it is larger than the sum of its proper divisors (66998429).

222144355 is a wasteful number, since it uses less digits than its factorization.

222144355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63806.

The product of its digits is 9600, while the sum is 28.

The square root of 222144355 is about 14904.5078751363. The cubic root of 222144355 is about 605.6361089460.

Adding to 222144355 its reverse (553441222), we get a palindrome (775585577).

It can be divided in two parts, 22214 and 4355, that added together give a square (26569 = 163²).

The spelling of 222144355 in words is "two hundred twenty-two million, one hundred forty-four thousand, three hundred fifty-five".