22245567888890 has 32 divisors (see below), whose sum is σ = 40608326782080. Its totient is φ = 8772396091200.

The previous prime is 22245567888883. The next prime is 22245567888917. The reversal of 22245567888890 is 9888876554222.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11591441 + ... + 13373579.

It is an arithmetic number, because the mean of its divisors is an integer number (1269010211940).

Almost surely, 2^{22245567888890} is an apocalyptic number.

22245567888890 is a deficient number, since it is larger than the sum of its proper divisors (18362758893190).

22245567888890 is a wasteful number, since it uses less digits than its factorization.

22245567888890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1799798.

The product of its (nonzero) digits is 1238630400, while the sum is 74.

The spelling of 22245567888890 in words is "twenty-two trillion, two hundred forty-five billion, five hundred sixty-seven million, eight hundred eighty-eight thousand, eight hundred ninety".