2233042421 has 2 divisors, whose sum is σ = 2233042422. Its totient is φ = 2233042420.

The previous prime is 2233042411. The next prime is 2233042451. The reversal of 2233042421 is 1242403322.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2233035025 + 7396 = 47255^2 + 86^2 .

It is a cyclic number.

It is not a de Polignac number, because 2233042421 - 2¹⁰ = 2233041397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2233042411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1116521210 + 1116521211.

It is an arithmetic number, because the mean of its divisors is an integer number (1116521211).

Almost surely, 2^2233042421 is an apocalyptic number.

It is an amenable number.

2233042421 is a deficient number, since it is larger than the sum of its proper divisors (1).

2233042421 is an equidigital number, since it uses as much as digits as its factorization.

2233042421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 2233042421 is about 47255.0782562044. The cubic root of 2233042421 is about 1307.0704344132.

Adding to 2233042421 its reverse (1242403322), we get a palindrome (3475445743).

The spelling of 2233042421 in words is "two billion, two hundred thirty-three million, forty-two thousand, four hundred twenty-one".