2285429 has 4 divisors (see below), whose sum is σ = 2419884. Its totient is φ = 2150976.

The previous prime is 2285401. The next prime is 2285443. The reversal of 2285429 is 9245822.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9245822 = 2 ⋅4622911.

It can be written as a sum of positive squares in 2 ways, for example, as 1684804 + 600625 = 1298^2 + 775^2 .

It is a de Polignac number, because none of the positive numbers 2^k-2285429 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2285395 and 2285404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2285489) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67202 + ... + 67235.

It is an arithmetic number, because the mean of its divisors is an integer number (604971).

2^2285429 is an apocalyptic number.

It is an amenable number.

2285429 is a deficient number, since it is larger than the sum of its proper divisors (134455).

2285429 is a wasteful number, since it uses less digits than its factorization.

2285429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134454.

The product of its digits is 11520, while the sum is 32.

The square root of 2285429 is about 1511.7635397112. The cubic root of 2285429 is about 131.7212705919.

The spelling of 2285429 in words is "two million, two hundred eighty-five thousand, four hundred twenty-nine".