2279268 has 18 divisors (see below), whose sum is σ = 5761574. Its totient is φ = 759744.

The previous prime is 2279261. The next prime is 2279281. The reversal of 2279268 is 8629722.

It can be written as a sum of positive squares in only one way, i.e., 2196324 + 82944 = 1482^2 + 288^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 63313 = 2279268 / (2 + 2 + 7 + 9 + 2 + 6 + 8).

It is not an unprimeable number, because it can be changed into a prime (2279261) 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, 31621 + ... + 31692.

2^2279268 is an apocalyptic number.

It is an amenable number.

2279268 is an abundant number, since it is smaller than the sum of its proper divisors (3482306).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2279268 is a wasteful number, since it uses less digits than its factorization.

2279268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63323 (or 63318 counting only the distinct ones).

The product of its digits is 24192, while the sum is 36.

The square root of 2279268 is about 1509.7244781747. The cubic root of 2279268 is about 131.6028004812.

The spelling of 2279268 in words is "two million, two hundred seventy-nine thousand, two hundred sixty-eight".