22645122306 has 32 divisors (see below), whose sum is σ = 47962870848. Its totient is φ = 7103093760.

The previous prime is 22645122287. The next prime is 22645122319. The reversal of 22645122306 is 60322154622.

It is a happy 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, 680721 + ... + 713211.

It is an arithmetic number, because the mean of its divisors is an integer number (1498839714).

Almost surely, 2^22645122306 is an apocalyptic number.

22645122306 is an abundant number, since it is smaller than the sum of its proper divisors (25317748542).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22645122306 is a wasteful number, since it uses less digits than its factorization.

22645122306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39346.

The product of its (nonzero) digits is 34560, while the sum is 33.

Adding to 22645122306 its reverse (60322154622), we get a palindrome (82967276928).

The spelling of 22645122306 in words is "twenty-two billion, six hundred forty-five million, one hundred twenty-two thousand, three hundred six".