22203124210345 has 16 divisors (see below), whose sum is σ = 30203440223040. Its totient is φ = 15533197827264.

The previous prime is 22203124210343. The next prime is 22203124210387. The reversal of 22203124210345 is 54301242130222.

It is a happy number.

It is not a de Polignac number, because 22203124210345 - 2¹ = 22203124210343 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22203124210343) 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, 8989117879 + ... + 8989120348.

It is an arithmetic number, because the mean of its divisors is an integer number (1887715013940).

Almost surely, 2^{22203124210345} is an apocalyptic number.

It is an amenable number.

22203124210345 is a deficient number, since it is larger than the sum of its proper divisors (8000316012695).

22203124210345 is a wasteful number, since it uses less digits than its factorization.

22203124210345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17978238264.

The product of its (nonzero) digits is 23040, while the sum is 31.

Adding to 22203124210345 its reverse (54301242130222), we get a palindrome (76504366340567).

The spelling of 22203124210345 in words is "twenty-two trillion, two hundred three billion, one hundred twenty-four million, two hundred ten thousand, three hundred forty-five".