22230021012 has 48 divisors (see below), whose sum is σ = 53567399424. Its totient is φ = 7167744000.

The previous prime is 22230020987. The next prime is 22230021017. The reversal of 22230021012 is 21012003222.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 22230020982 and 22230021000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22230021017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 895812 + ... + 920292.

It is an arithmetic number, because the mean of its divisors is an integer number (1115987488).

Almost surely, 2^22230021012 is an apocalyptic number.

It is an amenable number.

22230021012 is an abundant number, since it is smaller than the sum of its proper divisors (31337378412).

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

22230021012 is a wasteful number, since it uses less digits than its factorization.

22230021012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26960 (or 26958 counting only the distinct ones).

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

Adding to 22230021012 its reverse (21012003222), we get a palindrome (43242024234).

The spelling of 22230021012 in words is "twenty-two billion, two hundred thirty million, twenty-one thousand, twelve".