22455565648 has 40 divisors (see below), whose sum is σ = 43980067040. Its totient is φ = 11106460800.

The previous prime is 22455565619. The next prime is 22455565709. The reversal of 22455565648 is 84656555422.

It is a super-3 number, since 3×22455565648³ (a number of 32 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22455565595 and 22455565604.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 597823 + ... + 634273.

It is an arithmetic number, because the mean of its divisors is an integer number (1099501676).

Almost surely, 2^22455565648 is an apocalyptic number.

It is an amenable number.

22455565648 is a deficient number, since it is larger than the sum of its proper divisors (21524501392).

22455565648 is a wasteful number, since it uses less digits than its factorization.

22455565648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36875 (or 36869 counting only the distinct ones).

The product of its digits is 11520000, while the sum is 52.

The spelling of 22455565648 in words is "twenty-two billion, four hundred fifty-five million, five hundred sixty-five thousand, six hundred forty-eight".