22222456890 has 16 divisors (see below), whose sum is σ = 53333896608. Its totient is φ = 5925988496.

The previous prime is 22222456877. The next prime is 22222456897. The reversal of 22222456890 is 9865422222.

It is not an unprimeable number, because it can be changed into a prime (22222456897) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 370374252 + ... + 370374311.

It is an arithmetic number, because the mean of its divisors is an integer number (3333368538).

Almost surely, 2^22222456890 is an apocalyptic number.

22222456890 is an abundant number, since it is smaller than the sum of its proper divisors (31111439718).

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

22222456890 is a wasteful number, since it uses less digits than its factorization.

22222456890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 740748573.

The product of its (nonzero) digits is 276480, while the sum is 42.

The spelling of 22222456890 in words is "twenty-two billion, two hundred twenty-two million, four hundred fifty-six thousand, eight hundred ninety".