220403326 has 16 divisors (see below), whose sum is σ = 388403568. Its totient is φ = 92476800.

The previous prime is 220403243. The next prime is 220403329. The reversal of 220403326 is 623304022.

It is a happy number.

It is a super-2 number, since 2×220403326² = 97155252223724552, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 220403297 and 220403306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220403329) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 385035 + ... + 385606.

It is an arithmetic number, because the mean of its divisors is an integer number (24275223).

Almost surely, 2^220403326 is an apocalyptic number.

220403326 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

220403326 is a deficient number, since it is larger than the sum of its proper divisors (168000242).

220403326 is a wasteful number, since it uses less digits than its factorization.

220403326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 770667.

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 220403326 is about 14845.9868651431. The cubic root of 220403326 is about 604.0497579726.

Adding to 220403326 its reverse (623304022), we get a palindrome (843707348).

The spelling of 220403326 in words is "two hundred twenty million, four hundred three thousand, three hundred twenty-six".