220022401 has 2 divisors, whose sum is σ = 220022402. Its totient is φ = 220022400.

The previous prime is 220022371. The next prime is 220022417. The reversal of 220022401 is 104220022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 121000000 + 99022401 = 11000^2 + 9951^2 .

It is a cyclic number.

It is not a de Polignac number, because 220022401 - 2⁹ = 220021889 is a prime.

It is not a weakly prime, because it can be changed into another prime (220022471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110011200 + 110011201.

It is an arithmetic number, because the mean of its divisors is an integer number (110011201).

Almost surely, 2^220022401 is an apocalyptic number.

It is an amenable number.

220022401 is a deficient number, since it is larger than the sum of its proper divisors (1).

220022401 is an equidigital number, since it uses as much as digits as its factorization.

220022401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64, while the sum is 13.

The square root of 220022401 is about 14833.1520925257. The cubic root of 220022401 is about 603.7015624688.

Adding to 220022401 its reverse (104220022), we get a palindrome (324242423).

The spelling of 220022401 in words is "two hundred twenty million, twenty-two thousand, four hundred one".