22520601 has 24 divisors (see below), whose sum is σ = 34235136. Its totient is φ = 14245920.

The previous prime is 22520581. The next prime is 22520627. The reversal of 22520601 is 10602522.

It is not a de Polignac number, because 22520601 - 2¹⁴ = 22504217 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22520671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14026 + ... + 15548.

It is an arithmetic number, because the mean of its divisors is an integer number (1426464).

Almost surely, 2^22520601 is an apocalyptic number.

It is an amenable number.

22520601 is a deficient number, since it is larger than the sum of its proper divisors (11714535).

22520601 is a wasteful number, since it uses less digits than its factorization.

22520601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1613 (or 1610 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 22520601 is about 4745.5875294846. The cubic root of 22520601 is about 282.3969436401.

The spelling of 22520601 in words is "twenty-two million, five hundred twenty thousand, six hundred one".