22479648 has 48 divisors (see below), whose sum is σ = 61580736. Its totient is φ = 7166720.

The previous prime is 22479643. The next prime is 22479689. The reversal of 22479648 is 84697422.

It is a tau number, because it is divible by the number of its divisors (48).

It is not an unprimeable number, because it can be changed into a prime (22479643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2883 + ... + 7298.

It is an arithmetic number, because the mean of its divisors is an integer number (1282932).

Almost surely, 2^22479648 is an apocalyptic number.

It is an amenable number.

22479648 is an abundant number, since it is smaller than the sum of its proper divisors (39101088).

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

22479648 is a wasteful number, since it uses less digits than its factorization.

22479648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10217 (or 10209 counting only the distinct ones).

The product of its digits is 193536, while the sum is 42.

The square root of 22479648 is about 4741.2707157470. The cubic root of 22479648 is about 282.2256631412.

The spelling of 22479648 in words is "twenty-two million, four hundred seventy-nine thousand, six hundred forty-eight".