4724226 has 36 divisors (see below), whose sum is σ = 11090898. Its totient is φ = 1452672.

The previous prime is 4724221. The next prime is 4724227. The reversal of 4724226 is 6224274.

4724226 = T₄₀₀ + T₄₀₁ + ... + T₄₅₁.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 1320201 + 3404025 = 1149^2 + 1845^2 .

It is a super-2 number, since 2×4724226² = 44636622598152, which contains 22 as substring.

It is a nialpdrome in base 13.

It is a self number, because there is not a number n which added to its sum of digits gives 4724226.

It is not an unprimeable number, because it can be changed into a prime (4724221) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 2266 + ... + 3818.

Almost surely, 2^4724226 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4724226, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5545449).

4724226 is an abundant number, since it is smaller than the sum of its proper divisors (6366672).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4724226 is a wasteful number, since it uses less digits than its factorization.

4724226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1587 (or 1571 counting only the distinct ones).

The product of its digits is 5376, while the sum is 27.

The square root of 4724226 is about 2173.5284677225. The cubic root of 4724226 is about 167.7941782167.

It can be divided in two parts, 4724 and 226, that added together give a triangular number (4950 = T₉₉).

The spelling of 4724226 in words is "four million, seven hundred twenty-four thousand, two hundred twenty-six".