22847040 has 84 divisors (see below), whose sum is σ = 78594204. Its totient is φ = 6091776.

The previous prime is 22847039. The next prime is 22847047. The reversal of 22847040 is 4074822.

It can be written as a sum of positive squares in 2 ways, for example, as 7354944 + 15492096 = 2712^2 + 3936^2 .

It is a super-3 number, since 3×22847040³ (a number of 23 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22846995 and 22847013.

It is not an unprimeable number, because it can be changed into a prime (22847047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1087 + ... + 6846.

Almost surely, 2^22847040 is an apocalyptic number.

22847040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22847040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39297102).

22847040 is an abundant number, since it is smaller than the sum of its proper divisors (55747164).

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

22847040 is a wasteful number, since it uses less digits than its factorization.

22847040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7956 (or 7943 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 27.

The square root of 22847040 is about 4779.8577384688. The cubic root of 22847040 is about 283.7548635210.

The spelling of 22847040 in words is "twenty-two million, eight hundred forty-seven thousand, forty".