21340414222 has 4 divisors (see below), whose sum is σ = 32010621336. Its totient is φ = 10670207110.

The previous prime is 21340414171. The next prime is 21340414241. The reversal of 21340414222 is 22241404312.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5335103554 + ... + 5335103557.

It is an arithmetic number, because the mean of its divisors is an integer number (8002655334).

Almost surely, 2^21340414222 is an apocalyptic number.

21340414222 is a deficient number, since it is larger than the sum of its proper divisors (10670207114).

21340414222 is a wasteful number, since it uses less digits than its factorization.

21340414222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10670207113.

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 21340414222 its reverse (22241404312), we get a palindrome (43581818534).

The spelling of 21340414222 in words is "twenty-one billion, three hundred forty million, four hundred fourteen thousand, two hundred twenty-two".