2048220401 has 4 divisors (see below), whose sum is σ = 2168703972. Its totient is φ = 1927736832.

The previous prime is 2048220389. The next prime is 2048220409. The reversal of 2048220401 is 1040228402.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1658118400 + 390102001 = 40720^2 + 19751^2 .

It is a cyclic number.

It is not a de Polignac number, because 2048220401 - 2⁶ = 2048220337 is a prime.

It is a super-2 number, since 2×2048220401² = 8390413622145201602, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2048220409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60241760 + ... + 60241793.

It is an arithmetic number, because the mean of its divisors is an integer number (542175993).

Almost surely, 2^2048220401 is an apocalyptic number.

It is an amenable number.

2048220401 is a deficient number, since it is larger than the sum of its proper divisors (120483571).

2048220401 is a wasteful number, since it uses less digits than its factorization.

2048220401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120483570.

The product of its (nonzero) digits is 1024, while the sum is 23.

The square root of 2048220401 is about 45257.2690404536. The cubic root of 2048220401 is about 1269.9663952503.

Adding to 2048220401 its reverse (1040228402), we get a palindrome (3088448803).

The spelling of 2048220401 in words is "two billion, forty-eight million, two hundred twenty thousand, four hundred one".