222131022 has 16 divisors (see below), whose sum is σ = 444787200. Its totient is φ = 73956152.

The previous prime is 222130999. The next prime is 222131023. The reversal of 222131022 is 220131222.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 222130992 and 222131010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222131023) 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 7 ways as a sum of consecutive naturals, for example, 16272 + ... + 26627.

It is an arithmetic number, because the mean of its divisors is an integer number (27799200).

Almost surely, 2^222131022 is an apocalyptic number.

222131022 is an abundant number, since it is smaller than the sum of its proper divisors (222656178).

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

222131022 is a wasteful number, since it uses less digits than its factorization.

222131022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43767.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 222131022 is about 14904.0605876385. The cubic root of 222131022 is about 605.6239920385.

Adding to 222131022 its reverse (220131222), we get a palindrome (442262244).

The spelling of 222131022 in words is "two hundred twenty-two million, one hundred thirty-one thousand, twenty-two".