22201302012 has 24 divisors (see below), whose sum is σ = 51831136896. Its totient is φ = 7396419888.

The previous prime is 22201301999. The next prime is 22201302049. The reversal of 22201302012 is 21020310222.

It is a happy number.

It is a super-2 number, since 2×22201302012² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22201301982 and 22201302000.

It is a congruent 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, 478678 + ... + 523005.

It is an arithmetic number, because the mean of its divisors is an integer number (2159630704).

Almost surely, 2^22201302012 is an apocalyptic number.

It is an amenable number.

22201302012 is an abundant number, since it is smaller than the sum of its proper divisors (29629834884).

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

22201302012 is a wasteful number, since it uses less digits than its factorization.

22201302012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1003537 (or 1003535 counting only the distinct ones).

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

Adding to 22201302012 its reverse (21020310222), we get a palindrome (43221612234).

The spelling of 22201302012 in words is "twenty-two billion, two hundred one million, three hundred two thousand, twelve".