11224222401 has 16 divisors (see below), whose sum is σ = 17279905664. Its totient is φ = 6347718144.

The previous prime is 11224222391. The next prime is 11224222423. The reversal of 11224222401 is 10422242211.

It is not a de Polignac number, because 11224222401 - 2⁶ = 11224222337 is a prime.

It is a super-2 number, since 2×11224222401² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11224222441) 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, 2753050 + ... + 2757123.

It is an arithmetic number, because the mean of its divisors is an integer number (1079994104).

Almost surely, 2^11224222401 is an apocalyptic number.

It is an amenable number.

11224222401 is a deficient number, since it is larger than the sum of its proper divisors (6055683263).

11224222401 is an equidigital number, since it uses as much as digits as its factorization.

11224222401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5510280.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 11224222401 its reverse (10422242211), we get a palindrome (21646464612).

The spelling of 11224222401 in words is "eleven billion, two hundred twenty-four million, two hundred twenty-two thousand, four hundred one".