222400004406 has 32 divisors (see below), whose sum is σ = 449857411200. Its totient is φ = 73290655680.

The previous prime is 222400004381. The next prime is 222400004413. The reversal of 222400004406 is 604400004222.

222400004406 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×222400004406³ (a number of 35 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4788765 + ... + 4834983.

It is an arithmetic number, because the mean of its divisors is an integer number (14058044100).

Almost surely, 2^222400004406 is an apocalyptic number.

222400004406 is an abundant number, since it is smaller than the sum of its proper divisors (227457406794).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

222400004406 is a wasteful number, since it uses less digits than its factorization.

222400004406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55324.

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 222400004406 its reverse (604400004222), we get a palindrome (826800008628).

The spelling of 222400004406 in words is "two hundred twenty-two billion, four hundred million, four thousand, four hundred six".