4202249 has 4 divisors (see below), whose sum is σ = 4423440. Its totient is φ = 3981060.

The previous prime is 4202227. The next prime is 4202257. The reversal of 4202249 is 9422024.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4202249 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4202269) 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, 110567 + ... + 110604.

It is an arithmetic number, because the mean of its divisors is an integer number (1105860).

Almost surely, 2^4202249 is an apocalyptic number.

It is an amenable number.

4202249 is a deficient number, since it is larger than the sum of its proper divisors (221191).

4202249 is a wasteful number, since it uses less digits than its factorization.

4202249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221190.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 4202249 is about 2049.9387795737. The cubic root of 4202249 is about 161.3716578845.

The spelling of 4202249 in words is "four million, two hundred two thousand, two hundred forty-nine".