220473833 has 4 divisors (see below), whose sum is σ = 233442900. Its totient is φ = 207504768.

The previous prime is 220473823. The next prime is 220473839. The reversal of 220473833 is 338374022.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 148766809 + 71707024 = 12197^2 + 8468^2 .

It is a cyclic number.

It is not a de Polignac number, because 220473833 - 2⁸ = 220473577 is a prime.

It is a super-2 number, since 2×220473833² = 97217422075423778, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 220473833.

It is not an unprimeable number, because it can be changed into a prime (220473839) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 6484508 + ... + 6484541.

It is an arithmetic number, because the mean of its divisors is an integer number (58360725).

Almost surely, 2^220473833 is an apocalyptic number.

It is an amenable number.

220473833 is a deficient number, since it is larger than the sum of its proper divisors (12969067).

220473833 is a wasteful number, since it uses less digits than its factorization.

220473833 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12969066.

The product of its (nonzero) digits is 24192, while the sum is 32.

The square root of 220473833 is about 14848.3612900549. The cubic root of 220473833 is about 604.1141629227.

The spelling of 220473833 in words is "two hundred twenty million, four hundred seventy-three thousand, eight hundred thirty-three".