21341222244 has 72 divisors (see below), whose sum is σ = 58107259392. Its totient is φ = 6584941440.

The previous prime is 21341222209. The next prime is 21341222249. The reversal of 21341222244 is 44222214312.

It is a happy number.

21341222244 is a `hidden beast` number, since 2 + 1 + 3 + 412 + 2 + 2 + 244 = 666.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (21341222249) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 390049 + ... + 441384.

Almost surely, 2^21341222244 is an apocalyptic number.

It is an amenable number.

21341222244 is an abundant number, since it is smaller than the sum of its proper divisors (36766037148).

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

21341222244 is a wasteful number, since it uses less digits than its factorization.

21341222244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 831497 (or 831492 counting only the distinct ones).

The product of its digits is 6144, while the sum is 27.

Adding to 21341222244 its reverse (44222214312), we get a palindrome (65563436556).

The spelling of 21341222244 in words is "twenty-one billion, three hundred forty-one million, two hundred twenty-two thousand, two hundred forty-four".