221233322 has 4 divisors (see below), whose sum is σ = 331849986. Its totient is φ = 110616660.

The previous prime is 221233319. The next prime is 221233339. The reversal of 221233322 is 223332122.

221233322 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 semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 165148201 + 56085121 = 12851^2 + 7489^2 .

It is a junction number, because it is equal to n+sod(n) for n = 221233294 and 221233303.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55308329 + ... + 55308332.

Almost surely, 2^221233322 is an apocalyptic number.

221233322 is a deficient number, since it is larger than the sum of its proper divisors (110616664).

221233322 is a wasteful number, since it uses less digits than its factorization.

221233322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110616663.

The product of its digits is 864, while the sum is 20.

The square root of 221233322 is about 14873.9141452410. The cubic root of 221233322 is about 604.8070527397.

Adding to 221233322 its reverse (223332122), we get a palindrome (444565444).

The spelling of 221233322 in words is "two hundred twenty-one million, two hundred thirty-three thousand, three hundred twenty-two".