220040422 has 16 divisors (see below), whose sum is σ = 378561312. Its totient is φ = 93965760.

The previous prime is 220040419. The next prime is 220040423. The reversal of 220040422 is 224040022.

It is a junction number, because it is equal to n+sod(n) for n = 220040396 and 220040405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220040423) 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, 24033 + ... + 31900.

It is an arithmetic number, because the mean of its divisors is an integer number (23660082).

Almost surely, 2^220040422 is an apocalyptic number.

220040422 is a deficient number, since it is larger than the sum of its proper divisors (158520890).

220040422 is a wasteful number, since it uses less digits than its factorization.

220040422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56223.

The product of its (nonzero) digits is 256, while the sum is 16.

The square root of 220040422 is about 14833.7595369481. The cubic root of 220040422 is about 603.7180441373.

Adding to 220040422 its reverse (224040022), we get a palindrome (444080444).

The spelling of 220040422 in words is "two hundred twenty million, forty thousand, four hundred twenty-two".