22561098 has 16 divisors (see below), whose sum is σ = 51568320. Its totient is φ = 6446016.

The previous prime is 22561067. The next prime is 22561109. The reversal of 22561098 is 89016522.

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, 268543 + ... + 268626.

It is an arithmetic number, because the mean of its divisors is an integer number (3223020).

Almost surely, 2^22561098 is an apocalyptic number.

22561098 is an abundant number, since it is smaller than the sum of its proper divisors (29007222).

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

22561098 is a wasteful number, since it uses less digits than its factorization.

22561098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 537181.

The product of its (nonzero) digits is 8640, while the sum is 33.

The square root of 22561098 is about 4749.8524187600. The cubic root of 22561098 is about 282.5661129104.

The spelling of 22561098 in words is "twenty-two million, five hundred sixty-one thousand, ninety-eight".