220823002 has 4 divisors (see below), whose sum is σ = 331234506. Its totient is φ = 110411500.

The previous prime is 220822999. The next prime is 220823003. The reversal of 220823002 is 200328022.

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., 133194681 + 87628321 = 11541^2 + 9361^2 .

It is not an unprimeable number, because it can be changed into a prime (220823003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55205749 + ... + 55205752.

Almost surely, 2^220823002 is an apocalyptic number.

220823002 is a deficient number, since it is larger than the sum of its proper divisors (110411504).

220823002 is a wasteful number, since it uses less digits than its factorization.

220823002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110411503.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 220823002 is about 14860.1144679306. The cubic root of 220823002 is about 604.4329107722.

The spelling of 220823002 in words is "two hundred twenty million, eight hundred twenty-three thousand, two".