2021322244 has 6 divisors (see below), whose sum is σ = 3537313934. Its totient is φ = 1010661120.

The previous prime is 2021322227. The next prime is 2021322311. The reversal of 2021322244 is 4422231202.

It can be written as a sum of positive squares in only one way, i.e., 1997017344 + 24304900 = 44688^2 + 4930^2 .

It is a super-2 number, since 2×2021322244² = 8171487228178391072, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252665277 + ... + 252665284.

Almost surely, 2^2021322244 is an apocalyptic number.

It is an amenable number.

2021322244 is a deficient number, since it is larger than the sum of its proper divisors (1515991690).

2021322244 is a wasteful number, since it uses less digits than its factorization.

2021322244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 505330565 (or 505330563 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 2021322244 is about 44959.1174735448. The cubic root of 2021322244 is about 1264.3826228090.

Adding to 2021322244 its reverse (4422231202), we get a palindrome (6443553446).

The spelling of 2021322244 in words is "two billion, twenty-one million, three hundred twenty-two thousand, two hundred forty-four".