22250112345 has 40 divisors (see below), whose sum is σ = 40199537664. Its totient is φ = 11773260576.

The previous prime is 22250112341. The next prime is 22250112361. The reversal of 22250112345 is 54321105222.

It is not a de Polignac number, because 22250112345 - 2² = 22250112341 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (22250112341) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 164859 + ... + 267728.

Almost surely, 2^22250112345 is an apocalyptic number.

It is an amenable number.

22250112345 is a deficient number, since it is larger than the sum of its proper divisors (17949425319).

22250112345 is a wasteful number, since it uses less digits than its factorization.

22250112345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 432731 (or 432722 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

Adding to 22250112345 its reverse (54321105222), we get a palindrome (76571217567).

The spelling of 22250112345 in words is "twenty-two billion, two hundred fifty million, one hundred twelve thousand, three hundred forty-five".