2284212021 has 64 divisors (see below), whose sum is σ = 3980487168. Its totient is φ = 1130692608.

The previous prime is 2284212013. The next prime is 2284212059. The reversal of 2284212021 is 1202124822.

It is not a de Polignac number, because 2284212021 - 2³ = 2284212013 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2284211982 and 2284212000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2284212001) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2677431 + ... + 2678283.

It is an arithmetic number, because the mean of its divisors is an integer number (62195112).

Almost surely, 2^2284212021 is an apocalyptic number.

2284212021 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2284212021 is a deficient number, since it is larger than the sum of its proper divisors (1696275147).

2284212021 is a wasteful number, since it uses less digits than its factorization.

2284212021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1470.

The product of its (nonzero) digits is 1024, while the sum is 24.

The square root of 2284212021 is about 47793.4307305931. The cubic root of 2284212021 is about 1316.9788614465.

Adding to 2284212021 its reverse (1202124822), we get a palindrome (3486336843).

The spelling of 2284212021 in words is "two billion, two hundred eighty-four million, two hundred twelve thousand, twenty-one".