2240001321 has 4 divisors (see below), whose sum is σ = 2986668432. Its totient is φ = 1493334212.

The previous prime is 2240001319. The next prime is 2240001329. The reversal of 2240001321 is 1231000422.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2240001321 - 2¹ = 2240001319 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2240001321.

It is not an unprimeable number, because it can be changed into a prime (2240001329) 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, 373333551 + ... + 373333556.

It is an arithmetic number, because the mean of its divisors is an integer number (746667108).

Almost surely, 2^2240001321 is an apocalyptic number.

It is an amenable number.

2240001321 is a deficient number, since it is larger than the sum of its proper divisors (746667111).

2240001321 is an equidigital number, since it uses as much as digits as its factorization.

2240001321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 746667110.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 2240001321 is about 47328.6522204045. The cubic root of 2240001321 is about 1308.4267812824.

Adding to 2240001321 its reverse (1231000422), we get a palindrome (3471001743).

The spelling of 2240001321 in words is "two billion, two hundred forty million, one thousand, three hundred twenty-one".