4290229 has 4 divisors (see below), whose sum is σ = 4308876. Its totient is φ = 4271584.

The previous prime is 4290217. The next prime is 4290233. The reversal of 4290229 is 9220924.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 996004 + 3294225 = 998^2 + 1815^2 .

It is a cyclic number.

It is not a de Polignac number, because 4290229 - 2⁹ = 4289717 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4290197 and 4290206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4290269) 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, 8974 + ... + 9439.

It is an arithmetic number, because the mean of its divisors is an integer number (1077219).

Almost surely, 2^4290229 is an apocalyptic number.

It is an amenable number.

4290229 is a deficient number, since it is larger than the sum of its proper divisors (18647).

4290229 is a wasteful number, since it uses less digits than its factorization.

4290229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18646.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 4290229 is about 2071.2867981040. The cubic root of 4290229 is about 162.4900696101.

The spelling of 4290229 in words is "four million, two hundred ninety thousand, two hundred twenty-nine".