2221079012 has 12 divisors (see below), whose sum is σ = 3887425836. Its totient is φ = 1110385920.

The previous prime is 2221078969. The next prime is 2221079023. The reversal of 2221079012 is 2109701222.

It can be written as a sum of positive squares in 2 ways, for example, as 825757696 + 1395321316 = 28736^2 + 37354^2 .

It is a super-2 number, since 2×2221079012² = 9866383955093792288, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2033 + ... + 66680.

It is an arithmetic number, because the mean of its divisors is an integer number (323952153).

Almost surely, 2^2221079012 is an apocalyptic number.

It is an amenable number.

2221079012 is a deficient number, since it is larger than the sum of its proper divisors (1666346824).

2221079012 is a wasteful number, since it uses less digits than its factorization.

2221079012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76798 (or 76796 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 26.

The square root of 2221079012 is about 47128.3249437109. The cubic root of 2221079012 is about 1304.7320661699.

The spelling of 2221079012 in words is "two billion, two hundred twenty-one million, seventy-nine thousand, twelve".