22894340 has 48 divisors (see below), whose sum is σ = 56851200. Its totient is φ = 7577472.

The previous prime is 22894309. The next prime is 22894343. The reversal of 22894340 is 4349822.

It is a junction number, because it is equal to n+sod(n) for n = 22894297 and 22894306.

It is not an unprimeable number, because it can be changed into a prime (22894343) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1241 + ... + 6879.

It is an arithmetic number, because the mean of its divisors is an integer number (1184400).

Almost surely, 2^22894340 is an apocalyptic number.

22894340 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 22894340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28425600).

22894340 is an abundant number, since it is smaller than the sum of its proper divisors (33956860).

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

22894340 is a wasteful number, since it uses less digits than its factorization.

22894340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5684 (or 5682 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 22894340 is about 4784.8030262488. The cubic root of 22894340 is about 283.9505468345.

The spelling of 22894340 in words is "twenty-two million, eight hundred ninety-four thousand, three hundred forty".