220322402 has 16 divisors (see below), whose sum is σ = 337716000. Its totient is φ = 107768640.

The previous prime is 220322381. The next prime is 220322419. The reversal of 220322402 is 204223022.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20474 + ... + 29322.

It is an arithmetic number, because the mean of its divisors is an integer number (21107250).

Almost surely, 2^220322402 is an apocalyptic number.

220322402 is a deficient number, since it is larger than the sum of its proper divisors (117393598).

220322402 is a wasteful number, since it uses less digits than its factorization.

220322402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9121.

The product of its (nonzero) digits is 384, while the sum is 17.

The square root of 220322402 is about 14843.2611645824. The cubic root of 220322402 is about 603.9758206335.

Adding to 220322402 its reverse (204223022), we get a palindrome (424545424).

The spelling of 220322402 in words is "two hundred twenty million, three hundred twenty-two thousand, four hundred two".