222116829 has 32 divisors (see below), whose sum is σ = 345047040. Its totient is φ = 125764800.

The previous prime is 222116827. The next prime is 222116863. The reversal of 222116829 is 928611222.

It is not a de Polignac number, because 222116829 - 2¹ = 222116827 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a self number, because there is not a number n which added to its sum of digits gives 222116829.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222116827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25924 + ... + 33410.

It is an arithmetic number, because the mean of its divisors is an integer number (10782720).

Almost surely, 2^222116829 is an apocalyptic number.

222116829 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

222116829 is a deficient number, since it is larger than the sum of its proper divisors (122930211).

222116829 is a wasteful number, since it uses less digits than its factorization.

222116829 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7561.

The product of its digits is 6912, while the sum is 33.

The square root of 222116829 is about 14903.5844346251. The cubic root of 222116829 is about 605.6110930381.

The spelling of 222116829 in words is "two hundred twenty-two million, one hundred sixteen thousand, eight hundred twenty-nine".