2278562 has 32 divisors (see below), whose sum is σ = 4161024. Its totient is φ = 921600.

The previous prime is 2278553. The next prime is 2278631. The reversal of 2278562 is 2658722.

Added to its reverse (2658722) it gives a square (4937284 = 2222²).

It is a d-powerful number, because it can be written as 2⁵ + 2¹⁴ + 7⁶ + 8² + 5⁴ + 6⁶ + 2²¹ .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8738 + ... + 8994.

It is an arithmetic number, because the mean of its divisors is an integer number (130032).

2^2278562 is an apocalyptic number.

2278562 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2278562 is a deficient number, since it is larger than the sum of its proper divisors (1882462).

2278562 is a wasteful number, since it uses less digits than its factorization.

2278562 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314.

The product of its digits is 13440, while the sum is 32.

The square root of 2278562 is about 1509.4906425679. The cubic root of 2278562 is about 131.5892111516.

Adding to 2278562 its reverse (2658722), we get a square (4937284 = 2222²).

The spelling of 2278562 in words is "two million, two hundred seventy-eight thousand, five hundred sixty-two".