363221222 has 64 divisors (see below), whose sum is σ = 691152000. Its totient is φ = 143095680.

The previous prime is 363221219. The next prime is 363221231. The reversal of 363221222 is 222122363.

It is a super-2 number, since 2×363221222² = 263859312222346568, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1507022 + ... + 1507262.

It is an arithmetic number, because the mean of its divisors is an integer number (10799250).

Almost surely, 2^363221222 is an apocalyptic number.

363221222 is a deficient number, since it is larger than the sum of its proper divisors (327930778).

363221222 is an equidigital number, since it uses as much as digits as its factorization.

363221222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303 (or 263 counting only the distinct ones).

The product of its digits is 1728, while the sum is 23.

The square root of 363221222 is about 19058.3635708840. The cubic root of 363221222 is about 713.4941309754.

Adding to 363221222 its reverse (222122363), we get a palindrome (585343585).

The spelling of 363221222 in words is "three hundred sixty-three million, two hundred twenty-one thousand, two hundred twenty-two".