22822040 has 32 divisors (see below), whose sum is σ = 54054000. Its totient is φ = 8648064.

The previous prime is 22822039. The next prime is 22822067. The reversal of 22822040 is 4022822.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14255 + ... + 15774.

Almost surely, 2^22822040 is an apocalyptic number.

22822040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22822040 is an abundant number, since it is smaller than the sum of its proper divisors (31231960).

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

22822040 is a wasteful number, since it uses less digits than its factorization.

22822040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30059 (or 30055 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 22822040 is about 4777.2418820905. The cubic root of 22822040 is about 283.6513277075.

Adding to 22822040 its reverse (4022822), we get a palindrome (26844862).

The spelling of 22822040 in words is "twenty-two million, eight hundred twenty-two thousand, forty".