22491096 has 64 divisors (see below), whose sum is σ = 58164480. Its totient is φ = 7244160.

The previous prime is 22491071. The next prime is 22491097. The reversal of 22491096 is 69019422.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22491097) 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, 114070 + ... + 114266.

It is an arithmetic number, because the mean of its divisors is an integer number (908820).

Almost surely, 2^22491096 is an apocalyptic number.

It is an amenable number.

22491096 is an abundant number, since it is smaller than the sum of its proper divisors (35673384).

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

22491096 is a wasteful number, since it uses less digits than its factorization.

With its predecessor (22491095) it forms an eRAP, since the sums of their prime factors are consecutive (343 and 344).

22491096 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 344 (or 340 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 33.

The square root of 22491096 is about 4742.4778333694. The cubic root of 22491096 is about 282.2735638184.

The spelling of 22491096 in words is "twenty-two million, four hundred ninety-one thousand, ninety-six".