22479901448 has 32 divisors (see below), whose sum is σ = 45835421400. Its totient is φ = 10292861952.

The previous prime is 22479901403. The next prime is 22479901463. The reversal of 22479901448 is 84410997422.

It can be written as a sum of positive squares in 4 ways, for example, as 21268722244 + 1211179204 = 145838^2 + 34802^2 .

It is a super-2 number, since 2×22479901448² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22479901396 and 22479901405.

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, 2228663 + ... + 2238726.

Almost surely, 2^22479901448 is an apocalyptic number.

It is an amenable number.

22479901448 is an abundant number, since it is smaller than the sum of its proper divisors (23355519952).

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

22479901448 is a wasteful number, since it uses less digits than its factorization.

22479901448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4467449 (or 4467445 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 50.

The spelling of 22479901448 in words is "twenty-two billion, four hundred seventy-nine million, nine hundred one thousand, four hundred forty-eight".