2243413421 has 4 divisors (see below), whose sum is σ = 2244268092. Its totient is φ = 2242558752.

The previous prime is 2243413411. The next prime is 2243413427. The reversal of 2243413421 is 1243143422.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1273776100 + 969637321 = 35690^2 + 31139^2 .

It is a cyclic number.

It is not a de Polignac number, because 2243413421 - 2²² = 2239219117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2243413427) 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, 423386 + ... + 428651.

It is an arithmetic number, because the mean of its divisors is an integer number (561067023).

Almost surely, 2^2243413421 is an apocalyptic number.

It is an amenable number.

2243413421 is a deficient number, since it is larger than the sum of its proper divisors (854671).

2243413421 is an equidigital number, since it uses as much as digits as its factorization.

2243413421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 854670.

The product of its digits is 4608, while the sum is 26.

The square root of 2243413421 is about 47364.6853784547. The cubic root of 2243413421 is about 1309.0908014390.

Adding to 2243413421 its reverse (1243143422), we get a palindrome (3486556843).

The spelling of 2243413421 in words is "two billion, two hundred forty-three million, four hundred thirteen thousand, four hundred twenty-one".