2020221722 has 8 divisors (see below), whose sum is σ = 3134826900. Its totient is φ = 975279424.

The previous prime is 2020221713. The next prime is 2020221761. The reversal of 2020221722 is 2271220202.

It can be written as a sum of positive squares in 2 ways, for example, as 1889553961 + 130667761 = 43469^2 + 11431^2 .

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 = 2020221694 and 2020221703.

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, 17415647 + ... + 17415762.

Almost surely, 2^2020221722 is an apocalyptic number.

2020221722 is a deficient number, since it is larger than the sum of its proper divisors (1114605178).

2020221722 is a wasteful number, since it uses less digits than its factorization.

2020221722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34831440.

The product of its (nonzero) digits is 448, while the sum is 20.

The square root of 2020221722 is about 44946.8766656817. The cubic root of 2020221722 is about 1264.1531140461.

Adding to 2020221722 its reverse (2271220202), we get a palindrome (4291441924).

The spelling of 2020221722 in words is "two billion, twenty million, two hundred twenty-one thousand, seven hundred twenty-two".