222100046 has 24 divisors (see below), whose sum is σ = 389197200. Its totient is φ = 95018448.

The previous prime is 222100037. The next prime is 222100049. The reversal of 222100046 is 640001222.

It is a junction number, because it is equal to n+sod(n) for n = 222099997 and 222100033.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222100049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 390050 + ... + 390618.

It is an arithmetic number, because the mean of its divisors is an integer number (16216550).

Almost surely, 2^222100046 is an apocalyptic number.

222100046 is a deficient number, since it is larger than the sum of its proper divisors (167097154).

222100046 is an frugal number, since it uses more digits than its factorization.

222100046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1161 (or 578 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 222100046 is about 14903.0213715206. The cubic root of 222100046 is about 605.5958394633.

Adding to 222100046 its reverse (640001222), we get a palindrome (862101268).

The spelling of 222100046 in words is "two hundred twenty-two million, one hundred thousand, forty-six".