303404222 has 16 divisors (see below), whose sum is σ = 496800000. Its totient is φ = 137822040.

The previous prime is 303404221. The next prime is 303404237. The reversal of 303404222 is 222404303.

It is a junction number, because it is equal to n+sod(n) for n = 303404194 and 303404203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (303404221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40529 + ... + 47427.

It is an arithmetic number, because the mean of its divisors is an integer number (31050000).

Almost surely, 2^303404222 is an apocalyptic number.

303404222 is a deficient number, since it is larger than the sum of its proper divisors (193395778).

303404222 is a wasteful number, since it uses less digits than its factorization.

303404222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8911.

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 303404222 is about 17418.5022892326. The cubic root of 303404222 is about 671.9555416898.

Adding to 303404222 its reverse (222404303), we get a palindrome (525808525).

The spelling of 303404222 in words is "three hundred three million, four hundred four thousand, two hundred twenty-two".