2263278 has 16 divisors (see below), whose sum is σ = 4793040. Its totient is φ = 710016.

The previous prime is 2263273. The next prime is 2263307. The reversal of 2263278 is 8723622.

It is a d-powerful number, because it can be written as 2² + 2¹⁰ + 6⁶ + 3⁶ + 2²¹ + 7⁶ + 8² .

It is a plaindrome in base 16.

It is a zygodrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2263273) 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, 10993 + ... + 11196.

It is an arithmetic number, because the mean of its divisors is an integer number (299565).

2^2263278 is an apocalyptic number.

2263278 is an abundant number, since it is smaller than the sum of its proper divisors (2529762).

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

2263278 is a wasteful number, since it uses less digits than its factorization.

2263278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22211.

The product of its digits is 8064, while the sum is 30.

The square root of 2263278 is about 1504.4194893712. The cubic root of 2263278 is about 131.2943287907.

The spelling of 2263278 in words is "two million, two hundred sixty-three thousand, two hundred seventy-eight".