222814816 has 24 divisors (see below), whose sum is σ = 501333840. Its totient is φ = 95491968.

The previous prime is 222814811. The next prime is 222814817. The reversal of 222814816 is 618418222.

It is a super-2 number, since 2×222814816² = 99292884458227712, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222814811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 497131 + ... + 497578.

It is an arithmetic number, because the mean of its divisors is an integer number (20888910).

Almost surely, 2^222814816 is an apocalyptic number.

It is an amenable number.

222814816 is an abundant number, since it is smaller than the sum of its proper divisors (278519024).

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

222814816 is an equidigital number, since it uses as much as digits as its factorization.

222814816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 994726 (or 994718 counting only the distinct ones).

The product of its digits is 12288, while the sum is 34.

The square root of 222814816 is about 14926.9828163631. The cubic root of 222814816 is about 606.2447935784.

The spelling of 222814816 in words is "two hundred twenty-two million, eight hundred fourteen thousand, eight hundred sixteen".