22203212010 has 32 divisors (see below), whose sum is σ = 60900239232. Its totient is φ = 5075019840.

The previous prime is 22203211999. The next prime is 22203212011. The reversal of 22203212010 is 1021230222.

It is a happy number.

It is a super-2 number, since 2×22203212010² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (22203212011) 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, 52864581 + ... + 52865000.

It is an arithmetic number, because the mean of its divisors is an integer number (1903132476).

Almost surely, 2^22203212010 is an apocalyptic number.

22203212010 is an abundant number, since it is smaller than the sum of its proper divisors (38697027222).

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

22203212010 is a wasteful number, since it uses less digits than its factorization.

22203212010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105729598.

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

Adding to 22203212010 its reverse (1021230222), we get a palindrome (23224442232).

The spelling of 22203212010 in words is "twenty-two billion, two hundred three million, two hundred twelve thousand, ten".