2021221362 has 16 divisors (see below), whose sum is σ = 4141039392. Its totient is φ = 657307680.

The previous prime is 2021221331. The next prime is 2021221373. The reversal of 2021221362 is 2631221202.

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, 4107928 + ... + 4108419.

It is an arithmetic number, because the mean of its divisors is an integer number (258814962).

Almost surely, 2^2021221362 is an apocalyptic number.

2021221362 is an abundant number, since it is smaller than the sum of its proper divisors (2119818030).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2021221362 is a wasteful number, since it uses less digits than its factorization.

2021221362 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8216393.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 2021221362 is about 44957.9955291603. The cubic root of 2021221362 is about 1264.3615878041.

Adding to 2021221362 its reverse (2631221202), we get a palindrome (4652442564).

The spelling of 2021221362 in words is "two billion, twenty-one million, two hundred twenty-one thousand, three hundred sixty-two".