2244518 has 4 divisors (see below), whose sum is σ = 3366780. Its totient is φ = 1122258.

The previous prime is 2244509. The next prime is 2244533. The reversal of 2244518 is 8154422.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8154422 = 2 ⋅4077211.

It is a super-2 number, since 2×2244518² = 10075722104648, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561128 + ... + 561131.

It is an arithmetic number, because the mean of its divisors is an integer number (841695).

2^2244518 is an apocalyptic number.

2244518 is a deficient number, since it is larger than the sum of its proper divisors (1122262).

2244518 is a wasteful number, since it uses less digits than its factorization.

2244518 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1122261.

The product of its digits is 2560, while the sum is 26.

The square root of 2244518 is about 1498.1715522596. The cubic root of 2244518 is about 130.9305616497.

The spelling of 2244518 in words is "two million, two hundred forty-four thousand, five hundred eighteen".