222244286406 has 16 divisors (see below), whose sum is σ = 470634959664. Its totient is φ = 69723697664.

The previous prime is 222244286401. The next prime is 222244286417. The reversal of 222244286406 is 604682442222.

It is a super-2 number, since 2×222244286406² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222244286401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1089432675 + ... + 1089432878.

It is an arithmetic number, because the mean of its divisors is an integer number (29414684979).

Almost surely, 2^222244286406 is an apocalyptic number.

222244286406 is an abundant number, since it is smaller than the sum of its proper divisors (248390673258).

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

222244286406 is a wasteful number, since it uses less digits than its factorization.

222244286406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2178865575.

The product of its (nonzero) digits is 589824, while the sum is 42.

The spelling of 222244286406 in words is "two hundred twenty-two billion, two hundred forty-four million, two hundred eighty-six thousand, four hundred six".