2242531 has 8 divisors (see below), whose sum is σ = 2304000. Its totient is φ = 2181960.

The previous prime is 2242529. The next prime is 2242549. The reversal of 2242531 is 1352422.

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

It is a cyclic number.

It is not a de Polignac number, because 2242531 - 2¹ = 2242529 is a prime.

It is a super-2 number, since 2×2242531² = 10057890571922, which contains 22 as substring.

It is a d-powerful number, because it can be written as 2³ + 2¹³ + 4 + 2²¹ + 5⁷ + 3¹⁰ + 1 .

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2242499 and 2242508.

It is not an unprimeable number, because it can be changed into a prime (2242231) 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, 11170 + ... + 11368.

It is an arithmetic number, because the mean of its divisors is an integer number (288000).

2^2242531 is an apocalyptic number.

2242531 is a deficient number, since it is larger than the sum of its proper divisors (61469).

2242531 is a wasteful number, since it uses less digits than its factorization.

2242531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 449.

The product of its digits is 480, while the sum is 19.

The square root of 2242531 is about 1497.5082637502. The cubic root of 2242531 is about 130.8919140301.

Adding to 2242531 its reverse (1352422), we get a palindrome (3594953).

The spelling of 2242531 in words is "two million, two hundred forty-two thousand, five hundred thirty-one".