2223021012 has 12 divisors (see below), whose sum is σ = 5187049056. Its totient is φ = 741007000.

The previous prime is 2223021011. The next prime is 2223021019. The reversal of 2223021012 is 2101203222.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 2223020982 and 2223021000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2223021011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 92625864 + ... + 92625887.

It is an arithmetic number, because the mean of its divisors is an integer number (432254088).

Almost surely, 2^2223021012 is an apocalyptic number.

It is an amenable number.

2223021012 is an abundant number, since it is smaller than the sum of its proper divisors (2964028044).

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

2223021012 is a wasteful number, since it uses less digits than its factorization.

2223021012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185251758 (or 185251756 counting only the distinct ones).

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

The square root of 2223021012 is about 47148.9237629026. The cubic root of 2223021012 is about 1305.1122194715.

Adding to 2223021012 its reverse (2101203222), we get a palindrome (4324224234).

The spelling of 2223021012 in words is "two billion, two hundred twenty-three million, twenty-one thousand, twelve".