20222161706 has 16 divisors (see below), whose sum is σ = 31656731904. Its totient is φ = 9670047024.

The previous prime is 20222161669. The next prime is 20222161711. The reversal of 20222161706 is 60716122202.

It is a happy number.

It is a super-2 number, since 2×20222161706² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 326996 + ... + 383888.

It is an arithmetic number, because the mean of its divisors is an integer number (1978545744).

Almost surely, 2^20222161706 is an apocalyptic number.

20222161706 is a deficient number, since it is larger than the sum of its proper divisors (11434570198).

20222161706 is a wasteful number, since it uses less digits than its factorization.

20222161706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64645.

The product of its (nonzero) digits is 4032, while the sum is 29.

Adding to 20222161706 its reverse (60716122202), we get a palindrome (80938283908).

The spelling of 20222161706 in words is "twenty billion, two hundred twenty-two million, one hundred sixty-one thousand, seven hundred six".