22482440 has 32 divisors (see below), whose sum is σ = 52220160. Its totient is φ = 8702400.

The previous prime is 22482413. The next prime is 22482443. The reversal of 22482440 is 4428422.

22482440 = T₄₈ + T₄₉ + ... + T₅₁₂.

It is not an unprimeable number, because it can be changed into a prime (22482443) 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, 7826 + ... + 10305.

It is an arithmetic number, because the mean of its divisors is an integer number (1631880).

Almost surely, 2^22482440 is an apocalyptic number.

22482440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22482440 is an abundant number, since it is smaller than the sum of its proper divisors (29737720).

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

22482440 is a wasteful number, since it uses less digits than its factorization.

22482440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18173 (or 18169 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 26.

The square root of 22482440 is about 4741.5651424398. The cubic root of 22482440 is about 282.2373469160.

It can be divided in two parts, 22482 and 440, that added together give a palindrome (22922).

The spelling of 22482440 in words is "twenty-two million, four hundred eighty-two thousand, four hundred forty".