2226538 has 16 divisors (see below), whose sum is σ = 3528000. Its totient is φ = 1051776.

The previous prime is 2226529. The next prime is 2226547. The reversal of 2226538 is 8356222.

It is an interprime number because it is at equal distance from previous prime (2226529) and next prime (2226547).

It is a d-powerful number, because it can be written as 2⁹ + 2¹² + 2¹⁸ + 6² + 5⁹ + 3⁸ + 8² .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4213 + ... + 4711.

It is an arithmetic number, because the mean of its divisors is an integer number (220500).

2^2226538 is an apocalyptic number.

2226538 is a deficient number, since it is larger than the sum of its proper divisors (1301462).

2226538 is a wasteful number, since it uses less digits than its factorization.

2226538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 621.

The product of its digits is 5760, while the sum is 28.

The square root of 2226538 is about 1492.1588387300. The cubic root of 2226538 is about 130.5800119032.

Subtracting from 2226538 its product of digits (5760), we obtain a triangular number (2220778 = T₂₁₀₇).

The spelling of 2226538 in words is "two million, two hundred twenty-six thousand, five hundred thirty-eight".