22287287145 has 16 divisors (see below), whose sum is σ = 35688240000. Its totient is φ = 11877026304.

The previous prime is 22287287131. The next prime is 22287287171. The reversal of 22287287145 is 54178278222.

It is not a de Polignac number, because 22287287145 - 2⁹ = 22287286633 is a prime.

It is a super-4 number, since 4×22287287145⁴ (a number of 42 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22287287094 and 22287287103.

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, 576069 + ... + 613538.

It is an arithmetic number, because the mean of its divisors is an integer number (2230515000).

Almost surely, 2^22287287145 is an apocalyptic number.

It is an amenable number.

22287287145 is a deficient number, since it is larger than the sum of its proper divisors (13400952855).

22287287145 is a wasteful number, since it uses less digits than its factorization.

22287287145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1190864.

The product of its digits is 1003520, while the sum is 48.

The spelling of 22287287145 in words is "twenty-two billion, two hundred eighty-seven million, two hundred eighty-seven thousand, one hundred forty-five".