222240006 has 24 divisors (see below), whose sum is σ = 482680224. Its totient is φ = 73901520.

The previous prime is 222240001. The next prime is 222240043. The reversal of 222240006 is 600042222.

It is a happy number.

It is a super-3 number, since 3×222240006³ (a number of 26 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222240001) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7086 + ... + 22241.

It is an arithmetic number, because the mean of its divisors is an integer number (20111676).

Almost surely, 2^222240006 is an apocalyptic number.

222240006 is an abundant number, since it is smaller than the sum of its proper divisors (260440218).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

222240006 is a wasteful number, since it uses less digits than its factorization.

222240006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29756 (or 29753 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 222240006 is about 14907.7163241054. The cubic root of 222240006 is about 605.7230214808.

Adding to 222240006 its reverse (600042222), we get a palindrome (822282228).

The spelling of 222240006 in words is "two hundred twenty-two million, two hundred forty thousand, six".