222145683 has 16 divisors (see below), whose sum is σ = 299582880. Its totient is φ = 146409984.

The previous prime is 222145639. The next prime is 222145711. The reversal of 222145683 is 386541222.

It is not a de Polignac number, because 222145683 - 2⁶ = 222145619 is a prime.

It is not an unprimeable number, because it can be changed into a prime (222145603) 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, 207273 + ... + 208341.

It is an arithmetic number, because the mean of its divisors is an integer number (18723930).

Almost surely, 2^222145683 is an apocalyptic number.

222145683 is a deficient number, since it is larger than the sum of its proper divisors (77437197).

222145683 is a wasteful number, since it uses less digits than its factorization.

222145683 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1798.

The product of its digits is 23040, while the sum is 33.

The square root of 222145683 is about 14904.5524253498. The cubic root of 222145683 is about 605.6373157936.

The spelling of 222145683 in words is "two hundred twenty-two million, one hundred forty-five thousand, six hundred eighty-three".