22255231330 has 64 divisors (see below), whose sum is σ = 41787031680. Its totient is φ = 8523648000.

The previous prime is 22255231307. The next prime is 22255231337. The reversal of 22255231330 is 3313255222.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (22255231337) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24536737 + ... + 24537643.

It is an arithmetic number, because the mean of its divisors is an integer number (652922370).

Almost surely, 2^22255231330 is an apocalyptic number.

22255231330 is a deficient number, since it is larger than the sum of its proper divisors (19531800350).

22255231330 is a wasteful number, since it uses less digits than its factorization.

22255231330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1555.

The product of its (nonzero) digits is 10800, while the sum is 28.

Adding to 22255231330 its reverse (3313255222), we get a palindrome (25568486552).

The spelling of 22255231330 in words is "twenty-two billion, two hundred fifty-five million, two hundred thirty-one thousand, three hundred thirty".