222454406 has 4 divisors (see below), whose sum is σ = 333681612. Its totient is φ = 111227202.

The previous prime is 222454403. The next prime is 222454411. The reversal of 222454406 is 604454222.

222454406 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 604454222 = 2 ⋅302227111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222454403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55613600 + ... + 55613603.

It is an arithmetic number, because the mean of its divisors is an integer number (83420403).

Almost surely, 2^222454406 is an apocalyptic number.

222454406 is a deficient number, since it is larger than the sum of its proper divisors (111227206).

222454406 is a wasteful number, since it uses less digits than its factorization.

222454406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111227205.

The product of its (nonzero) digits is 15360, while the sum is 29.

The square root of 222454406 is about 14914.9054975216. The cubic root of 222454406 is about 605.9177438122.

The spelling of 222454406 in words is "two hundred twenty-two million, four hundred fifty-four thousand, four hundred six".