2279425 has 12 divisors (see below), whose sum is σ = 2867500. Its totient is φ = 1797120.

The previous prime is 2279423. The next prime is 2279447. The reversal of 2279425 is 5249722.

It can be written as a sum of positive squares in 6 ways, for example, as 53361 + 2226064 = 231^2 + 1492^2 .

It is not a de Polignac number, because 2279425 - 2¹ = 2279423 is a prime.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a d-powerful number, because it can be written as 2⁵ + 2¹⁴ + 7⁷ + 9 + 4⁴ + 2²⁰ + 5⁸ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2279423) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1201 + ... + 2449.

It is a Proth number, since it is equal to 1113 ⋅ 2¹¹ + 1 and 1113 < 2¹¹.

2^2279425 is an apocalyptic number.

2279425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2279425 is a deficient number, since it is larger than the sum of its proper divisors (588075).

2279425 is a wasteful number, since it uses less digits than its factorization.

2279425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1332 (or 1327 counting only the distinct ones).

The product of its digits is 10080, while the sum is 31.

The square root of 2279425 is about 1509.7764735218. The cubic root of 2279425 is about 131.6058220895.

It can be divided in two parts, 2279 and 425, that added together give a square (2704 = 52²).

The spelling of 2279425 in words is "two million, two hundred seventy-nine thousand, four hundred twenty-five".