22840530 has 16 divisors (see below), whose sum is σ = 54817344. Its totient is φ = 6090800.

The previous prime is 22840511. The next prime is 22840547. The reversal of 22840530 is 3504822.

It is a self number, because there is not a number n which added to its sum of digits gives 22840530.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 380646 + ... + 380705.

It is an arithmetic number, because the mean of its divisors is an integer number (3426084).

Almost surely, 2^22840530 is an apocalyptic number.

22840530 is an abundant number, since it is smaller than the sum of its proper divisors (31976814).

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

22840530 is a wasteful number, since it uses less digits than its factorization.

22840530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 761361.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 22840530 is about 4779.1767073420. The cubic root of 22840530 is about 283.7279100711.

The spelling of 22840530 in words is "twenty-two million, eight hundred forty thousand, five hundred thirty".