2442290 has 16 divisors (see below), whose sum is σ = 4416768. Its totient is φ = 972336.

The previous prime is 2442289. The next prime is 2442311. The reversal of 2442290 is 922442.

It is a nialpdrome in base 12.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2399 + ... + 3261.

It is an arithmetic number, because the mean of its divisors is an integer number (276048).

2^2442290 is an apocalyptic number.

2442290 is a deficient number, since it is larger than the sum of its proper divisors (1974478).

2442290 is a wasteful number, since it uses less digits than its factorization.

2442290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1153.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 2442290 is about 1562.7827744124. The cubic root of 2442290 is about 134.6684134771.

Adding to 2442290 its product of nonzero digits (1152), we get a palindrome (2443442).

The spelling of 2442290 in words is "two million, four hundred forty-two thousand, two hundred ninety".