22938340 has 12 divisors (see below), whose sum is σ = 48170556. Its totient is φ = 9175328.

The previous prime is 22938329. The next prime is 22938341. The reversal of 22938340 is 4383922.

It can be written as a sum of positive squares in 2 ways, for example, as 9935104 + 13003236 = 3152^2 + 3606^2 .

It is not an unprimeable number, because it can be changed into a prime (22938341) 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 3 ways as a sum of consecutive naturals, for example, 573439 + ... + 573478.

It is an arithmetic number, because the mean of its divisors is an integer number (4014213).

Almost surely, 2^22938340 is an apocalyptic number.

22938340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22938340 is an abundant number, since it is smaller than the sum of its proper divisors (25232216).

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

22938340 is a wasteful number, since it uses less digits than its factorization.

22938340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1146926 (or 1146924 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 22938340 is about 4789.3987096503. The cubic root of 22938340 is about 284.1323359980.

The spelling of 22938340 in words is "twenty-two million, nine hundred thirty-eight thousand, three hundred forty".