20211422222 has 8 divisors (see below), whose sum is σ = 31295105472. Its totient is φ = 9779720400.

The previous prime is 20211422183. The next prime is 20211422243. The reversal of 20211422222 is 22222411202.

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

It is a junction number, because it is equal to n+sod(n) for n = 20211422194 and 20211422203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 162995279 + ... + 162995402.

It is an arithmetic number, because the mean of its divisors is an integer number (3911888184).

Almost surely, 2^20211422222 is an apocalyptic number.

20211422222 is a deficient number, since it is larger than the sum of its proper divisors (11083683250).

20211422222 is a wasteful number, since it uses less digits than its factorization.

20211422222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325990714.

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 20211422222 its reverse (22222411202), we get a palindrome (42433833424).

The spelling of 20211422222 in words is "twenty billion, two hundred eleven million, four hundred twenty-two thousand, two hundred twenty-two".