222079806 has 80 divisors (see below), whose sum is σ = 567517104. Its totient is φ = 64302336.

The previous prime is 222079783. The next prime is 222079807. The reversal of 222079806 is 608970222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222079807) 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 39 ways as a sum of consecutive naturals, for example, 32701 + ... + 38903.

Almost surely, 2^222079806 is an apocalyptic number.

222079806 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 222079806, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (283758552).

222079806 is an abundant number, since it is smaller than the sum of its proper divisors (345437298).

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

222079806 is a wasteful number, since it uses less digits than its factorization.

222079806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6247 (or 6238 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 222079806 is about 14902.3422991153. The cubic root of 222079806 is about 605.5774429008.

The spelling of 222079806 in words is "two hundred twenty-two million, seventy-nine thousand, eight hundred six".