22221301234 has 16 divisors (see below), whose sum is σ = 36384133536. Its totient is φ = 10094479200.

The previous prime is 22221301229. The next prime is 22221301253. The reversal of 22221301234 is 43210312222.

It is a Harshad number since it is a multiple of its sum of digits (22).

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 7 ways as a sum of consecutive naturals, for example, 268332 + ... + 341239.

It is an arithmetic number, because the mean of its divisors is an integer number (2274008346).

Almost surely, 2^22221301234 is an apocalyptic number.

22221301234 is a deficient number, since it is larger than the sum of its proper divisors (14162832302).

22221301234 is a wasteful number, since it uses less digits than its factorization.

22221301234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 611241.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 22221301234 its reverse (43210312222), we get a palindrome (65431613456).

The spelling of 22221301234 in words is "twenty-two billion, two hundred twenty-one million, three hundred one thousand, two hundred thirty-four".