222144031 has 4 divisors (see below), whose sum is σ = 229804200. Its totient is φ = 214483864.

The previous prime is 222144023. The next prime is 222144059. The reversal of 222144031 is 130441222.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 130441222 = 2 ⋅65220611.

It is a cyclic number.

It is not a de Polignac number, because 222144031 - 2³ = 222144023 is a prime.

It is a super-2 number, since 2×222144031² = 98695941017857922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222144001) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 3830041 + ... + 3830098.

It is an arithmetic number, because the mean of its divisors is an integer number (57451050).

Almost surely, 2^222144031 is an apocalyptic number.

222144031 is a deficient number, since it is larger than the sum of its proper divisors (7660169).

222144031 is an equidigital number, since it uses as much as digits as its factorization.

222144031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7660168.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 222144031 is about 14904.4970059375. The cubic root of 222144031 is about 605.6358145035.

Adding to 222144031 its reverse (130441222), we get a palindrome (352585253).

The spelling of 222144031 in words is "two hundred twenty-two million, one hundred forty-four thousand, thirty-one".