2246021 has 8 divisors (see below), whose sum is σ = 2381400. Its totient is φ = 2114560.

The previous prime is 2246017. The next prime is 2246039. The reversal of 2246021 is 1206422.

It can be written as a sum of positive squares in 4 ways, for example, as 28900 + 2217121 = 170^2 + 1489^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2246021 - 2² = 2246017 is a prime.

It is a super-2 number, since 2×2246021² = 10089220664882, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2246051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 245 + ... + 2133.

It is an arithmetic number, because the mean of its divisors is an integer number (297675).

2^2246021 is an apocalyptic number.

It is an amenable number.

2246021 is a deficient number, since it is larger than the sum of its proper divisors (135379).

2246021 is a wasteful number, since it uses less digits than its factorization.

2246021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1959.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 2246021 is about 1498.6730797609. The cubic root of 2246021 is about 130.9597802058.

The spelling of 2246021 in words is "two million, two hundred forty-six thousand, twenty-one".