21222777314 has 8 divisors (see below), whose sum is σ = 31847947968. Its totient is φ = 10606794660.

The previous prime is 21222777299. The next prime is 21222777319. The reversal of 21222777314 is 41377722212.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (21222777319) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 2291222 + ... + 2300465.

It is an arithmetic number, because the mean of its divisors is an integer number (3980993496).

Almost surely, 2^21222777314 is an apocalyptic number.

21222777314 is a deficient number, since it is larger than the sum of its proper divisors (10625170654).

21222777314 is a wasteful number, since it uses less digits than its factorization.

21222777314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4594000.

The product of its digits is 65856, while the sum is 38.

The spelling of 21222777314 in words is "twenty-one billion, two hundred twenty-two million, seven hundred seventy-seven thousand, three hundred fourteen".