22201212003 has 4 divisors (see below), whose sum is σ = 29601616008. Its totient is φ = 14800808000.

The previous prime is 22201211993. The next prime is 22201212037. The reversal of 22201212003 is 30021210222.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22201212003 - 2⁵ = 22201211971 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22201212053) 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, 3700201998 + ... + 3700202003.

It is an arithmetic number, because the mean of its divisors is an integer number (7400404002).

Almost surely, 2^22201212003 is an apocalyptic number.

22201212003 is a deficient number, since it is larger than the sum of its proper divisors (7400404005).

22201212003 is an equidigital number, since it uses as much as digits as its factorization.

22201212003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7400404004.

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

Adding to 22201212003 its reverse (30021210222), we get a palindrome (52222422225).

The spelling of 22201212003 in words is "twenty-two billion, two hundred one million, two hundred twelve thousand, three".