222681126 has 16 divisors (see below), whose sum is σ = 445518144. Its totient is φ = 74201064.

The previous prime is 222681119. The next prime is 222681139. The reversal of 222681126 is 621186222.

It is a junction number, because it is equal to n+sod(n) for n = 222681093 and 222681102.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21085 + ... + 29831.

It is an arithmetic number, because the mean of its divisors is an integer number (27844884).

Almost surely, 2^222681126 is an apocalyptic number.

222681126 is an abundant number, since it is smaller than the sum of its proper divisors (222837018).

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

222681126 is a wasteful number, since it uses less digits than its factorization.

222681126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12995.

The product of its digits is 4608, while the sum is 30.

The square root of 222681126 is about 14922.5040123968. The cubic root of 222681126 is about 606.1235193543.

The spelling of 222681126 in words is "two hundred twenty-two million, six hundred eighty-one thousand, one hundred twenty-six".