22547537645 has 16 divisors (see below), whose sum is σ = 27522936000. Its totient is φ = 17727598848.

The previous prime is 22547537567. The next prime is 22547537653. The reversal of 22547537645 is 54673574522.

It is a cyclic number.

It is not a de Polignac number, because 22547537645 - 2¹² = 22547533549 is a prime.

It is a super-3 number, since 3×22547537645³ (a number of 32 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22547537593 and 22547537602.

It is a congruent 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, 1470026 + ... + 1485284.

It is an arithmetic number, because the mean of its divisors is an integer number (1720183500).

Almost surely, 2^22547537645 is an apocalyptic number.

It is an amenable number.

22547537645 is a deficient number, since it is larger than the sum of its proper divisors (4975398355).

22547537645 is a wasteful number, since it uses less digits than its factorization.

22547537645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20332.

The product of its digits is 7056000, while the sum is 50.

The spelling of 22547537645 in words is "twenty-two billion, five hundred forty-seven million, five hundred thirty-seven thousand, six hundred forty-five".