222990637825 has 48 divisors (see below), whose sum is σ = 286520607936. Its totient is φ = 172058515200.

The previous prime is 222990637817. The next prime is 222990637867. The reversal of 222990637825 is 528736099222.

222990637825 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 222990637825 - 2³ = 222990637817 is a prime.

It is a Duffinian number.

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 47 ways as a sum of consecutive naturals, for example, 48024954 + ... + 48029596.

It is an arithmetic number, because the mean of its divisors is an integer number (5969179332).

Almost surely, 2^222990637825 is an apocalyptic number.

222990637825 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

222990637825 is a deficient number, since it is larger than the sum of its proper divisors (63529970111).

222990637825 is a wasteful number, since it uses less digits than its factorization.

222990637825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5314 (or 5309 counting only the distinct ones).

The product of its (nonzero) digits is 6531840, while the sum is 55.

The spelling of 222990637825 in words is "two hundred twenty-two billion, nine hundred ninety million, six hundred thirty-seven thousand, eight hundred twenty-five".