220223450 has 12 divisors (see below), whose sum is σ = 409615710. Its totient is φ = 88089360.

The previous prime is 220223447. The next prime is 220223453. The reversal of 220223450 is 54322022.

220223450 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (220223447) and next prime (220223453).

It can be written as a sum of positive squares in 3 ways, for example, as 168714121 + 51509329 = 12989^2 + 7177^2 .

It is not an unprimeable number, because it can be changed into a prime (220223453) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2202185 + ... + 2202284.

Almost surely, 2^220223450 is an apocalyptic number.

220223450 is a deficient number, since it is larger than the sum of its proper divisors (189392260).

220223450 is a wasteful number, since it uses less digits than its factorization.

220223450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4404481 (or 4404476 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 220223450 is about 14839.9275604701. The cubic root of 220223450 is about 603.8853871531.

Adding to 220223450 its reverse (54322022), we get a palindrome (274545472).

It can be divided in two parts, 2202 and 23450, that added together give a palindrome (25652).

The spelling of 220223450 in words is "two hundred twenty million, two hundred twenty-three thousand, four hundred fifty".