22905246 has 72 divisors (see below), whose sum is σ = 57829464. Its totient is φ = 6027840.

The previous prime is 22905229. The next prime is 22905247. The reversal of 22905246 is 64250922.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22905247) by changing a digit.

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 35 ways as a sum of consecutive naturals, for example, 49456 + ... + 49916.

It is an arithmetic number, because the mean of its divisors is an integer number (803187).

Almost surely, 2^22905246 is an apocalyptic number.

22905246 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 22905246, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28914732).

22905246 is an abundant number, since it is smaller than the sum of its proper divisors (34924218).

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

22905246 is a wasteful number, since it uses less digits than its factorization.

22905246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 506 (or 486 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 22905246 is about 4785.9425403989. The cubic root of 22905246 is about 283.9956274537.

The spelling of 22905246 in words is "twenty-two million, nine hundred five thousand, two hundred forty-six".