22203204212445 has 16 divisors (see below), whose sum is σ = 35525232797760. Its totient is φ = 11841673560704.

The previous prime is 22203204212383. The next prime is 22203204212471. The reversal of 22203204212445 is 54421240230222.

It is a cyclic number.

It is not a de Polignac number, because 22203204212445 - 2⁶ = 22203204212381 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3449962 + ... + 7503908.

It is an arithmetic number, because the mean of its divisors is an integer number (2220327049860).

Almost surely, 2^{22203204212445} is an apocalyptic number.

It is an amenable number.

22203204212445 is a deficient number, since it is larger than the sum of its proper divisors (13322028585315).

22203204212445 is a wasteful number, since it uses less digits than its factorization.

22203204212445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4419084.

The product of its (nonzero) digits is 61440, while the sum is 33.

Adding to 22203204212445 its reverse (54421240230222), we get a palindrome (76624444442667).

The spelling of 22203204212445 in words is "twenty-two trillion, two hundred three billion, two hundred four million, two hundred twelve thousand, four hundred forty-five".