2240421331 has 4 divisors (see below), whose sum is σ = 2240572464. Its totient is φ = 2240270200.

The previous prime is 2240421317. The next prime is 2240421341. The reversal of 2240421331 is 1331240422.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1331240422 = 2 ⋅665620211.

It is a cyclic number.

It is not a de Polignac number, because 2240421331 - 2¹⁷ = 2240290259 is a prime.

It is a super-2 number, since 2×2240421331² = 10038975480799623122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2240421301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50575 + ... + 83896.

It is an arithmetic number, because the mean of its divisors is an integer number (560143116).

Almost surely, 2^2240421331 is an apocalyptic number.

2240421331 is a deficient number, since it is larger than the sum of its proper divisors (151133).

2240421331 is a wasteful number, since it uses less digits than its factorization.

2240421331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151132.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 2240421331 is about 47333.0891766003. The cubic root of 2240421331 is about 1308.5085547444.

Adding to 2240421331 its reverse (1331240422), we get a palindrome (3571661753).

The spelling of 2240421331 in words is "two billion, two hundred forty million, four hundred twenty-one thousand, three hundred thirty-one".