222131012 has 24 divisors (see below), whose sum is σ = 395932992. Its totient is φ = 109015200.

The previous prime is 222130999. The next prime is 222131023. The reversal of 222131012 is 210131222.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 214937 + ... + 215967.

It is an arithmetic number, because the mean of its divisors is an integer number (16497208).

Almost surely, 2^222131012 is an apocalyptic number.

It is an amenable number.

222131012 is a deficient number, since it is larger than the sum of its proper divisors (173801980).

222131012 is a wasteful number, since it uses less digits than its factorization.

222131012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1979 (or 1977 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 222131012 is about 14904.0602521595. The cubic root of 222131012 is about 605.6239829504.

Adding to 222131012 its reverse (210131222), we get a palindrome (432262234).

It can be divided in two parts, 2221 and 31012, that added together give a palindrome (33233).

The spelling of 222131012 in words is "two hundred twenty-two million, one hundred thirty-one thousand, twelve".