220422401 has 8 divisors (see below), whose sum is σ = 233563200. Its totient is φ = 207435600.

The previous prime is 220422383. The next prime is 220422413. The reversal of 220422401 is 104224022.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 220422401 - 2⁶ = 220422337 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 220422401.

It is not an unprimeable number, because it can be changed into a prime (220422421) 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, 35546 + ... + 41283.

It is an arithmetic number, because the mean of its divisors is an integer number (29195400).

Almost surely, 2^220422401 is an apocalyptic number.

It is an amenable number.

220422401 is a deficient number, since it is larger than the sum of its proper divisors (13140799).

220422401 is a wasteful number, since it uses less digits than its factorization.

220422401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76999.

The product of its (nonzero) digits is 256, while the sum is 17.

The square root of 220422401 is about 14846.6292807492. The cubic root of 220422401 is about 604.0671834761.

Adding to 220422401 its reverse (104224022), we get a palindrome (324646423).

The spelling of 220422401 in words is "two hundred twenty million, four hundred twenty-two thousand, four hundred one".