221332034 has 32 divisors (see below), whose sum is σ = 420723072. Its totient is φ = 84816000.

The previous prime is 221332019. The next prime is 221332043. The reversal of 221332034 is 430233122.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 221331997 and 221332015.

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, 2387 + ... + 21174.

It is an arithmetic number, because the mean of its divisors is an integer number (13147596).

Almost surely, 2^221332034 is an apocalyptic number.

221332034 is a deficient number, since it is larger than the sum of its proper divisors (199391038).

221332034 is a wasteful number, since it uses less digits than its factorization.

221332034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23642.

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

The square root of 221332034 is about 14877.2320678277. The cubic root of 221332034 is about 604.8969922299.

Adding to 221332034 its reverse (430233122), we get a palindrome (651565156).

The spelling of 221332034 in words is "two hundred twenty-one million, three hundred thirty-two thousand, thirty-four".