2221110401 has 16 divisors (see below), whose sum is σ = 2395889280. Its totient is φ = 2051362560.

The previous prime is 2221110361. The next prime is 2221110427. The reversal of 2221110401 is 1040111222.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2221110401 - 2¹⁴ = 2221094017 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2221110301) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 677396 + ... + 680666.

It is an arithmetic number, because the mean of its divisors is an integer number (149743080).

Almost surely, 2^2221110401 is an apocalyptic number.

It is an amenable number.

2221110401 is a deficient number, since it is larger than the sum of its proper divisors (174778879).

2221110401 is a wasteful number, since it uses less digits than its factorization.

2221110401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4024.

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 2221110401 is about 47128.6579588259. The cubic root of 2221110401 is about 1304.7382124381.

Adding to 2221110401 its reverse (1040111222), we get a palindrome (3261221623).

The spelling of 2221110401 in words is "two billion, two hundred twenty-one million, one hundred ten thousand, four hundred one".