2021222402244 has 48 divisors (see below), whose sum is σ = 5240476180800. Its totient is φ = 673706092608.

The previous prime is 2021222402209. The next prime is 2021222402267. The reversal of 2021222402244 is 4422042221202.

2021222402244 is a `hidden beast` number, since 2 + 0 + 2 + 12 + 2 + 2 + 402 + 244 = 666.

It is a super-2 number, since 2×2021222402244² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1668304 + ... + 2612600.

It is an arithmetic number, because the mean of its divisors is an integer number (109176587100).

Almost surely, 2^{2021222402244} is an apocalyptic number.

It is an amenable number.

2021222402244 is an abundant number, since it is smaller than the sum of its proper divisors (3219253778556).

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

2021222402244 is a wasteful number, since it uses less digits than its factorization.

2021222402244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 964129 (or 964121 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 27.

Adding to 2021222402244 its reverse (4422042221202), we get a palindrome (6443264623446).

The spelling of 2021222402244 in words is "two trillion, twenty-one billion, two hundred twenty-two million, four hundred two thousand, two hundred forty-four".