22145000234203 has 32 divisors (see below), whose sum is σ = 28205188835328. Its totient is φ = 16883664537600.

The previous prime is 22145000234129. The next prime is 22145000234209. The reversal of 22145000234203 is 30243200054122.

It is not a de Polignac number, because 22145000234203 - 2³³ = 22136410299611 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22145000234209) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11253151 + ... + 13073767.

It is an arithmetic number, because the mean of its divisors is an integer number (881412151104).

Almost surely, 2^{22145000234203} is an apocalyptic number.

22145000234203 is a deficient number, since it is larger than the sum of its proper divisors (6060188601125).

22145000234203 is a wasteful number, since it uses less digits than its factorization.

22145000234203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1824043.

The product of its (nonzero) digits is 11520, while the sum is 28.

Adding to 22145000234203 its reverse (30243200054122), we get a palindrome (52388200288325).

The spelling of 22145000234203 in words is "twenty-two trillion, one hundred forty-five billion, two hundred thirty-four thousand, two hundred three".