22478895937772 has 12 divisors (see below), whose sum is σ = 40607037823296. Its totient is φ = 10876885131120.

The previous prime is 22478895937759. The next prime is 22478895937777. The reversal of 22478895937772 is 27773959887422.

It is not an unprimeable number, because it can be changed into a prime (22478895937777) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90640709303 + ... + 90640709550.

It is an arithmetic number, because the mean of its divisors is an integer number (3383919818608).

Almost surely, 2^{22478895937772} is an apocalyptic number.

It is an amenable number.

22478895937772 is a deficient number, since it is larger than the sum of its proper divisors (18128141885524).

22478895937772 is a wasteful number, since it uses less digits than its factorization.

22478895937772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181281418888 (or 181281418886 counting only the distinct ones).

The product of its digits is 5974456320, while the sum is 80.

The spelling of 22478895937772 in words is "twenty-two trillion, four hundred seventy-eight billion, eight hundred ninety-five million, nine hundred thirty-seven thousand, seven hundred seventy-two".