2224738 has 4 divisors (see below), whose sum is σ = 3337110. Its totient is φ = 1112368.

The previous prime is 2224709. The next prime is 2224741. The reversal of 2224738 is 8374222.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8374222 = 2 ⋅4187111.

It can be written as a sum of positive squares in only one way, i.e., 2024929 + 199809 = 1423^2 + 447^2 .

It is a d-powerful number, because it can be written as 2⁷ + 2¹³ + 2²¹ + 4⁵ + 7⁶ + 3⁴ + 8³ .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 556183 + ... + 556186.

2^2224738 is an apocalyptic number.

2224738 is a deficient number, since it is larger than the sum of its proper divisors (1112372).

2224738 is a wasteful number, since it uses less digits than its factorization.

2224738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1112371.

The product of its digits is 5376, while the sum is 28.

The square root of 2224738 is about 1491.5555638326. Note that the first 4 decimals coincide. The cubic root of 2224738 is about 130.5448141524.

The spelling of 2224738 in words is "two million, two hundred twenty-four thousand, seven hundred thirty-eight".