22520841 has 24 divisors (see below), whose sum is σ = 36454464. Its totient is φ = 12307680.

The previous prime is 22520837. The next prime is 22520867. The reversal of 22520841 is 14802522.

It is not a de Polignac number, because 22520841 - 2² = 22520837 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22520821) 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 23 ways as a sum of consecutive naturals, for example, 51 + ... + 6711.

It is an arithmetic number, because the mean of its divisors is an integer number (1518936).

Almost surely, 2^22520841 is an apocalyptic number.

22520841 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

22520841 is a deficient number, since it is larger than the sum of its proper divisors (13933623).

22520841 is a wasteful number, since it uses less digits than its factorization.

22520841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6701 (or 6694 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 24.

The square root of 22520841 is about 4745.6128160650. The cubic root of 22520841 is about 282.3979467960.

The spelling of 22520841 in words is "twenty-two million, five hundred twenty thousand, eight hundred forty-one".