222400244405 has 16 divisors (see below), whose sum is σ = 282816802800. Its totient is φ = 167595133440.

The previous prime is 222400244377. The next prime is 222400244461. The reversal of 222400244405 is 504442004222.

222400244405 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 9995400529 + 212404843876 = 99977^2 + 460874^2 .

It is not a de Polignac number, because 222400244405 - 2¹⁰ = 222400243381 is a prime.

It is a super-2 number, since 2×222400244405² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18698870 + ... + 18710759.

It is an arithmetic number, because the mean of its divisors is an integer number (17676050175).

Almost surely, 2^222400244405 is an apocalyptic number.

It is an amenable number.

222400244405 is a deficient number, since it is larger than the sum of its proper divisors (60416558395).

222400244405 is a wasteful number, since it uses less digits than its factorization.

222400244405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37409704.

The product of its (nonzero) digits is 20480, while the sum is 29.

Adding to 222400244405 its reverse (504442004222), we get a palindrome (726842248627).

The spelling of 222400244405 in words is "two hundred twenty-two billion, four hundred million, two hundred forty-four thousand, four hundred five".