4990226 has 8 divisors (see below), whose sum is σ = 7498764. Its totient is φ = 2490640.

The previous prime is 4990213. The next prime is 4990229. The reversal of 4990226 is 6220994.

It can be written as a sum of positive squares in 2 ways, for example, as 4950625 + 39601 = 2225^2 + 199^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a plaindrome in base 15.

It is a junction number, because it is equal to n+sod(n) for n = 4990192 and 4990201.

It is not an unprimeable number, because it can be changed into a prime (4990229) 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, 605 + ... + 3216.

Almost surely, 2^4990226 is an apocalyptic number.

4990226 is a deficient number, since it is larger than the sum of its proper divisors (2508538).

4990226 is a wasteful number, since it uses less digits than its factorization.

4990226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4476.

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 4990226 is about 2233.8813755435. The cubic root of 4990226 is about 170.8860999534.

The spelling of 4990226 in words is "four million, nine hundred ninety thousand, two hundred twenty-six".