4226624 has 14 divisors (see below), whose sum is σ = 8387334. Its totient is φ = 2113280.

The previous prime is 4226623. The next prime is 4226647. The reversal of 4226624 is 4266224.

It can be written as a sum of positive squares in only one way, i.e., 3534400 + 692224 = 1880^2 + 832^2 .

It is a d-powerful number, because it can be written as 4³ + 2⁸ + 2¹⁴ + 6⁵ + 6⁵ + 2²² + 4³ .

It is a junction number, because it is equal to n+sod(n) for n = 4226593 and 4226602.

It is not an unprimeable number, because it can be changed into a prime (4226623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32957 + ... + 33084.

Almost surely, 2^4226624 is an apocalyptic number.

It is an amenable number.

4226624 is a deficient number, since it is larger than the sum of its proper divisors (4160710).

4226624 is an equidigital number, since it uses as much as digits as its factorization.

4226624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66053 (or 66043 counting only the distinct ones).

The product of its digits is 4608, while the sum is 26.

The square root of 4226624 is about 2055.8754826108. The cubic root of 4226624 is about 161.6830667932.

The spelling of 4226624 in words is "four million, two hundred twenty-six thousand, six hundred twenty-four".