22030190856 has 48 divisors (see below), whose sum is σ = 59827747200. Its totient is φ = 7323378912.

The previous prime is 22030190839. The next prime is 22030190857. The reversal of 22030190856 is 65809103022.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 22030190856.

It is not an unprimeable number, because it can be changed into a prime (22030190857) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 390436 + ... + 443283.

It is an arithmetic number, because the mean of its divisors is an integer number (1246411400).

Almost surely, 2^22030190856 is an apocalyptic number.

It is an amenable number.

22030190856 is an abundant number, since it is smaller than the sum of its proper divisors (37797556344).

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

22030190856 is a wasteful number, since it uses less digits than its factorization.

22030190856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 834098 (or 834091 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

Adding to 22030190856 its reverse (65809103022), we get a palindrome (87839293878).

The spelling of 22030190856 in words is "twenty-two billion, thirty million, one hundred ninety thousand, eight hundred fifty-six".