22649209890 has 32 divisors (see below), whose sum is σ = 54367367616. Its totient is φ = 6038760000.

The previous prime is 22649209889. The next prime is 22649209907. The reversal of 22649209890 is 9890294622.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 123640 + ... + 246140.

It is an arithmetic number, because the mean of its divisors is an integer number (1698980238).

Almost surely, 2^22649209890 is an apocalyptic number.

22649209890 is an abundant number, since it is smaller than the sum of its proper divisors (31718157726).

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

22649209890 is a wasteful number, since it uses less digits than its factorization.

22649209890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128674.

The product of its (nonzero) digits is 1119744, while the sum is 51.

The spelling of 22649209890 in words is "twenty-two billion, six hundred forty-nine million, two hundred nine thousand, eight hundred ninety".