2279290 has 32 divisors (see below), whose sum is σ = 4490640. Its totient is φ = 827904.

The previous prime is 2279281. The next prime is 2279293. The reversal of 2279290 is 929722.

It can be written as a sum of positive squares in 8 ways, for example, as 889249 + 1390041 = 943^2 + 1179^2 .

It is not an unprimeable number, because it can be changed into a prime (2279293) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11472 + ... + 11668.

2^2279290 is an apocalyptic number.

2279290 is a deficient number, since it is larger than the sum of its proper divisors (2211350).

2279290 is a wasteful number, since it uses less digits than its factorization.

2279290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306.

The product of its (nonzero) digits is 4536, while the sum is 31.

The square root of 2279290 is about 1509.7317642548. The cubic root of 2279290 is about 131.6032238996.

The spelling of 2279290 in words is "two million, two hundred seventy-nine thousand, two hundred ninety".