222000040406 has 16 divisors (see below), whose sum is σ = 347883475968. Its totient is φ = 106125162600.

The previous prime is 222000040399. The next prime is 222000040429. The reversal of 222000040406 is 604040000222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21565010 + ... + 21575301.

It is an arithmetic number, because the mean of its divisors is an integer number (21742717248).

Almost surely, 2^222000040406 is an apocalyptic number.

222000040406 is a deficient number, since it is larger than the sum of its proper divisors (125883435562).

222000040406 is a wasteful number, since it uses less digits than its factorization.

222000040406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43140427.

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 222000040406 its reverse (604040000222), we get a palindrome (826040040628).

The spelling of 222000040406 in words is "two hundred twenty-two billion, forty thousand, four hundred six".