222006356 has 48 divisors (see below), whose sum is σ = 459025728. Its totient is φ = 92620800.

The previous prime is 222006341. The next prime is 222006403. The reversal of 222006356 is 653600222.

222006356 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 109391 + ... + 111401.

It is an arithmetic number, because the mean of its divisors is an integer number (9563036).

Almost surely, 2^222006356 is an apocalyptic number.

222006356 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

222006356 is an abundant number, since it is smaller than the sum of its proper divisors (237019372).

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

222006356 is a wasteful number, since it uses less digits than its factorization.

222006356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2232 (or 2230 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 222006356 is about 14899.8777176190. The cubic root of 222006356 is about 605.5106732583.

Adding to 222006356 its reverse (653600222), we get a palindrome (875606578).

The spelling of 222006356 in words is "two hundred twenty-two million, six thousand, three hundred fifty-six".