2442775 has 6 divisors (see below), whose sum is σ = 3029072. Its totient is φ = 1954200.

The previous prime is 2442767. The next prime is 2442779. The reversal of 2442775 is 5772442.

It is not a de Polignac number, because 2442775 - 2³ = 2442767 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2442779) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 48831 + ... + 48880.

2^2442775 is an apocalyptic number.

2442775 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2442775 is a deficient number, since it is larger than the sum of its proper divisors (586297).

2442775 is an equidigital number, since it uses as much as digits as its factorization.

2442775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97721 (or 97716 counting only the distinct ones).

The product of its digits is 15680, while the sum is 31.

The square root of 2442775 is about 1562.9379386271. The cubic root of 2442775 is about 134.6773272230.

The spelling of 2442775 in words is "two million, four hundred forty-two thousand, seven hundred seventy-five".