2242344421 has 16 divisors (see below), whose sum is σ = 2455557120. Its totient is φ = 2038429440.

The previous prime is 2242344397. The next prime is 2242344437. The reversal of 2242344421 is 1244432422.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2242344421 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2242344421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2242344721) 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, 289720 + ... + 297358.

It is an arithmetic number, because the mean of its divisors is an integer number (153472320).

Almost surely, 2^2242344421 is an apocalyptic number.

It is an amenable number.

2242344421 is a deficient number, since it is larger than the sum of its proper divisors (213212699).

2242344421 is a wasteful number, since it uses less digits than its factorization.

2242344421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8244.

The product of its digits is 12288, while the sum is 28.

The square root of 2242344421 is about 47353.3992549637. The cubic root of 2242344421 is about 1308.8828385212.

Adding to 2242344421 its reverse (1244432422), we get a palindrome (3486776843).

The spelling of 2242344421 in words is "two billion, two hundred forty-two million, three hundred forty-four thousand, four hundred twenty-one".