222240226 has 16 divisors (see below), whose sum is σ = 377899200. Its totient is φ = 97173648.

The previous prime is 222240223. The next prime is 222240247. The reversal of 222240226 is 622042222.

It is a junction number, because it is equal to n+sod(n) for n = 222240197 and 222240206.

It is not an unprimeable number, because it can be changed into a prime (222240223) 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 7 ways as a sum of consecutive naturals, for example, 224446 + ... + 225433.

It is an arithmetic number, because the mean of its divisors is an integer number (23618700).

Almost surely, 2^222240226 is an apocalyptic number.

222240226 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

222240226 is a deficient number, since it is larger than the sum of its proper divisors (155658974).

222240226 is a wasteful number, since it uses less digits than its factorization.

222240226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 449913.

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 222240226 is about 14907.7237028327. The cubic root of 222240226 is about 605.7232213533.

Adding to 222240226 its reverse (622042222), we get a palindrome (844282448).

The spelling of 222240226 in words is "two hundred twenty-two million, two hundred forty thousand, two hundred twenty-six".