222468738 has 16 divisors (see below), whose sum is σ = 445087776. Its totient is φ = 74131200.

The previous prime is 222468737. The next prime is 222468793. The reversal of 222468738 is 837864222.

It is a self number, because there is not a number n which added to its sum of digits gives 222468738.

It is not an unprimeable number, because it can be changed into a prime (222468737) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24945 + ... + 32667.

It is an arithmetic number, because the mean of its divisors is an integer number (27817986).

Almost surely, 2^222468738 is an apocalyptic number.

222468738 is an abundant number, since it is smaller than the sum of its proper divisors (222619038).

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

222468738 is a wasteful number, since it uses less digits than its factorization.

222468738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12529.

The product of its digits is 258048, while the sum is 42.

The square root of 222468738 is about 14915.3859487443. The cubic root of 222468738 is about 605.9307559567.

The spelling of 222468738 in words is "two hundred twenty-two million, four hundred sixty-eight thousand, seven hundred thirty-eight".