222144513 has 16 divisors (see below), whose sum is σ = 303073536. Its totient is φ = 144668160.

The previous prime is 222144479. The next prime is 222144521. The reversal of 222144513 is 315441222.

It is not a de Polignac number, because 222144513 - 2⁹ = 222144001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (222144313) 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, 93723 + ... + 96063.

It is an arithmetic number, because the mean of its divisors is an integer number (18942096).

Almost surely, 2^222144513 is an apocalyptic number.

It is an amenable number.

222144513 is a deficient number, since it is larger than the sum of its proper divisors (80929023).

222144513 is a wasteful number, since it uses less digits than its factorization.

222144513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3064.

The product of its digits is 1920, while the sum is 24.

The square root of 222144513 is about 14904.5131755452. The cubic root of 222144513 is about 605.6362525320.

Adding to 222144513 its reverse (315441222), we get a palindrome (537585735).

The spelling of 222144513 in words is "two hundred twenty-two million, one hundred forty-four thousand, five hundred thirteen".