22773340 has 12 divisors (see below), whose sum is σ = 47824056. Its totient is φ = 9109328.

The previous prime is 22773329. The next prime is 22773341. The reversal of 22773340 is 4337722.

It is a junction number, because it is equal to n+sod(n) for n = 22773299 and 22773308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22773341) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 569314 + ... + 569353.

It is an arithmetic number, because the mean of its divisors is an integer number (3985338).

Almost surely, 2^22773340 is an apocalyptic number.

22773340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22773340 is an abundant number, since it is smaller than the sum of its proper divisors (25050716).

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

22773340 is a wasteful number, since it uses less digits than its factorization.

22773340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1138676 (or 1138674 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 28.

The square root of 22773340 is about 4772.1420766779. The cubic root of 22773340 is about 283.4494226324.

The spelling of 22773340 in words is "twenty-two million, seven hundred seventy-three thousand, three hundred forty".