22009950890 has 16 divisors (see below), whose sum is σ = 39870257832. Its totient is φ = 8747903424.

The previous prime is 22009950839. The next prime is 22009951001. The reversal of 22009950890 is 9805990022.

It can be written as a sum of positive squares in 4 ways, for example, as 8478910561 + 13531040329 = 92081^2 + 116323^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7007969 + ... + 7011108.

Almost surely, 2^22009950890 is an apocalyptic number.

22009950890 is a deficient number, since it is larger than the sum of its proper divisors (17860306942).

22009950890 is a wasteful number, since it uses less digits than its factorization.

22009950890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14019241.

The product of its (nonzero) digits is 116640, while the sum is 44.

The spelling of 22009950890 in words is "twenty-two billion, nine million, nine hundred fifty thousand, eight hundred ninety".