220243302 has 24 divisors (see below), whose sum is σ = 486199584. Its totient is φ = 72028944.

The previous prime is 220243259. The next prime is 220243319. The reversal of 220243302 is 203342022.

It is a super-2 number, since 2×220243302² = 97014224151726408, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 114478 + ... + 116385.

It is an arithmetic number, because the mean of its divisors is an integer number (20258316).

Almost surely, 2^220243302 is an apocalyptic number.

220243302 is an abundant number, since it is smaller than the sum of its proper divisors (265956282).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

220243302 is a wasteful number, since it uses less digits than its factorization.

220243302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230924 (or 230921 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

The square root of 220243302 is about 14840.5964165865. The cubic root of 220243302 is about 603.9035323180.

Adding to 220243302 its reverse (203342022), we get a palindrome (423585324).

The spelling of 220243302 in words is "two hundred twenty million, two hundred forty-three thousand, three hundred two".