2240000421 has 16 divisors (see below), whose sum is σ = 3146500800. Its totient is φ = 1413548928.

The previous prime is 2240000417. The next prime is 2240000423. The reversal of 2240000421 is 1240000422.

It is not a de Polignac number, because 2240000421 - 2² = 2240000417 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2240000421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2240000423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54625 + ... + 86393.

It is an arithmetic number, because the mean of its divisors is an integer number (196656300).

Almost surely, 2^2240000421 is an apocalyptic number.

It is an amenable number.

2240000421 is a deficient number, since it is larger than the sum of its proper divisors (906500379).

2240000421 is a wasteful number, since it uses less digits than its factorization.

2240000421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33028.

The product of its (nonzero) digits is 128, while the sum is 15.

The square root of 2240000421 is about 47328.6427124210. The cubic root of 2240000421 is about 1308.4266060468.

Adding to 2240000421 its reverse (1240000422), we get a palindrome (3480000843).

Subtracting from 2240000421 its reverse (1240000422), we obtain a palindrome (999999999).

The spelling of 2240000421 in words is "two billion, two hundred forty million, four hundred twenty-one", and thus it is an aban number.