2442665 has 8 divisors (see below), whose sum is σ = 2940360. Its totient is φ = 1948032.

The previous prime is 2442631. The next prime is 2442667. The reversal of 2442665 is 5662442.

It can be written as a sum of positive squares in 4 ways, for example, as 582169 + 1860496 = 763^2 + 1364^2 .

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 2442665 - 2¹⁰ = 2441641 is a prime.

It is a super-2 number, since 2×2442665² = 11933224604450, which contains 22 as substring.

It is an Ulam number.

It is a d-powerful number, because it can be written as 2¹⁵ + 4⁷ + 4⁷ + 2²¹ + 6² + 6⁷ + 5 .

It is not an unprimeable number, because it can be changed into a prime (2442667) 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, 1751 + ... + 2819.

It is an arithmetic number, because the mean of its divisors is an integer number (367545).

2^2442665 is an apocalyptic number.

It is an amenable number.

2442665 is a deficient number, since it is larger than the sum of its proper divisors (497695).

2442665 is a wasteful number, since it uses less digits than its factorization.

2442665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1531.

The product of its digits is 11520, while the sum is 29.

The square root of 2442665 is about 1562.9027480941. The cubic root of 2442665 is about 134.6753056522.

The spelling of 2442665 in words is "two million, four hundred forty-two thousand, six hundred sixty-five".