22250959398 has 96 divisors (see below), whose sum is σ = 50548548960. Its totient is φ = 7064709120.

The previous prime is 22250959361. The next prime is 22250959411. The reversal of 22250959398 is 89395905222.

22250959398 is a `hidden beast` number, since 22 + 25 + 0 + 9 + 593 + 9 + 8 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 23645608 + ... + 23646548.

It is an arithmetic number, because the mean of its divisors is an integer number (526547385).

Almost surely, 2^22250959398 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22250959398, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25274274480).

22250959398 is an abundant number, since it is smaller than the sum of its proper divisors (28297589562).

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

22250959398 is a wasteful number, since it uses less digits than its factorization.

22250959398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1542 (or 1539 counting only the distinct ones).

The product of its (nonzero) digits is 3499200, while the sum is 54.

The spelling of 22250959398 in words is "twenty-two billion, two hundred fifty million, nine hundred fifty-nine thousand, three hundred ninety-eight".