220243422 has 16 divisors (see below), whose sum is σ = 503413632. Its totient is φ = 62926680.

The previous prime is 220243411. The next prime is 220243433. The reversal of 220243422 is 224342022.

220243422 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 (220243411) and next prime (220243433).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2621904 + ... + 2621987.

It is an arithmetic number, because the mean of its divisors is an integer number (31463352).

Almost surely, 2^220243422 is an apocalyptic number.

220243422 is an abundant number, since it is smaller than the sum of its proper divisors (283170210).

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

220243422 is a wasteful number, since it uses less digits than its factorization.

220243422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5243903.

The product of its (nonzero) digits is 1536, while the sum is 21.

The square root of 220243422 is about 14840.6004595501. The cubic root of 220243422 is about 603.9036419974.

Adding to 220243422 its reverse (224342022), we get a palindrome (444585444).

The spelling of 220243422 in words is "two hundred twenty million, two hundred forty-three thousand, four hundred twenty-two".