2238481 has 8 divisors (see below), whose sum is σ = 2646720. Its totient is φ = 1852368.

The previous prime is 2238473. The next prime is 2238487. The reversal of 2238481 is 1848322.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2238481 - 2³ = 2238473 is a prime.

It is a super-2 number, since 2×2238481² = 10021594374722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2238487) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5311 + ... + 5716.

It is an arithmetic number, because the mean of its divisors is an integer number (330840).

2^2238481 is an apocalyptic number.

It is an amenable number.

2238481 is a deficient number, since it is larger than the sum of its proper divisors (408239).

2238481 is a wasteful number, since it uses less digits than its factorization.

2238481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11063.

The product of its digits is 3072, while the sum is 28.

The square root of 2238481 is about 1496.1554063666. The cubic root of 2238481 is about 130.8130698284.

It can be divided in two parts, 22 and 38481, that added together give a triangular number (38503 = T₂₇₇).

The spelling of 2238481 in words is "two million, two hundred thirty-eight thousand, four hundred eighty-one".