24722480 has 20 divisors (see below), whose sum is σ = 57479952. Its totient is φ = 9888960.

The previous prime is 24722473. The next prime is 24722483. The reversal of 24722480 is 8422742.

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-2 number, since 2×24722480² = 1222402034700800, which contains 22 as substring.

It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (24722483) 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, 154436 + ... + 154595.

Almost surely, 2^24722480 is an apocalyptic number.

24722480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

24722480 is an abundant number, since it is smaller than the sum of its proper divisors (32757472).

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

24722480 is a wasteful number, since it uses less digits than its factorization.

24722480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309044 (or 309038 counting only the distinct ones).

The product of its (nonzero) digits is 7168, while the sum is 29.

The square root of 24722480 is about 4972.1705521834. The cubic root of 24722480 is about 291.3157808524.

The spelling of 24722480 in words is "twenty-four million, seven hundred twenty-two thousand, four hundred eighty".