222245011 has 4 divisors (see below), whose sum is σ = 222275272. Its totient is φ = 222214752.

The previous prime is 222245003. The next prime is 222245039. The reversal of 222245011 is 110542222.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 222245011 - 2³ = 222245003 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 222245011.

It is not an unprimeable number, because it can be changed into a prime (222245311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3691 + ... + 21403.

It is an arithmetic number, because the mean of its divisors is an integer number (55568818).

Almost surely, 2^222245011 is an apocalyptic number.

222245011 is a deficient number, since it is larger than the sum of its proper divisors (30261).

222245011 is a wasteful number, since it uses less digits than its factorization.

222245011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30260.

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 222245011 is about 14907.8841892470. The cubic root of 222245011 is about 605.7275685484.

Adding to 222245011 its reverse (110542222), we get a palindrome (332787233).

The spelling of 222245011 in words is "two hundred twenty-two million, two hundred forty-five thousand, eleven".