222126446 has 8 divisors (see below), whose sum is σ = 333293184. Its totient is φ = 111028720.

The previous prime is 222126431. The next prime is 222126449. The reversal of 222126446 is 644621222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222126449) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8270 + ... + 22641.

It is an arithmetic number, because the mean of its divisors is an integer number (41661648).

Almost surely, 2^222126446 is an apocalyptic number.

222126446 is a deficient number, since it is larger than the sum of its proper divisors (111166738).

222126446 is a wasteful number, since it uses less digits than its factorization.

222126446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34506.

The product of its digits is 9216, while the sum is 29.

The square root of 222126446 is about 14903.9070716373. The cubic root of 222126446 is about 605.6198333001.

Adding to 222126446 its reverse (644621222), we get a palindrome (866747668).

The spelling of 222126446 in words is "two hundred twenty-two million, one hundred twenty-six thousand, four hundred forty-six".