22989340 has 48 divisors (see below), whose sum is σ = 53343360. Its totient is φ = 8252480.

The previous prime is 22989319. The next prime is 22989361. The reversal of 22989340 is 4398922.

It is an interprime number because it is at equal distance from previous prime (22989319) and next prime (22989361).

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 22989340.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 17631 + ... + 18889.

It is an arithmetic number, because the mean of its divisors is an integer number (1111320).

Almost surely, 2^22989340 is an apocalyptic number.

22989340 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 22989340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26671680).

22989340 is an abundant number, since it is smaller than the sum of its proper divisors (30354020).

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

22989340 is a wasteful number, since it uses less digits than its factorization.

22989340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1362 (or 1360 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 22989340 is about 4794.7200126806. The cubic root of 22989340 is about 284.3427555116.

The spelling of 22989340 in words is "twenty-two million, nine hundred eighty-nine thousand, three hundred forty".