2233604421 has 12 divisors (see below), whose sum is σ = 3227754348. Its totient is φ = 1488406464.

The previous prime is 2233604411. The next prime is 2233604441. The reversal of 2233604421 is 1244063322.

2233604421 is a `hidden beast` number, since 2 + 2 + 33 + 604 + 4 + 21 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1147176900 + 1086427521 = 33870^2 + 32961^2 .

It is not a de Polignac number, because 2233604421 - 2⁶ = 2233604357 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2233604411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33480 + ... + 74753.

It is an arithmetic number, because the mean of its divisors is an integer number (268979529).

Almost surely, 2^2233604421 is an apocalyptic number.

It is an amenable number.

2233604421 is a deficient number, since it is larger than the sum of its proper divisors (994149927).

2233604421 is a wasteful number, since it uses less digits than its factorization.

2233604421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110532 (or 110529 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

The square root of 2233604421 is about 47261.0243329533. The cubic root of 2233604421 is about 1307.1800773471.

Adding to 2233604421 its reverse (1244063322), we get a palindrome (3477667743).

The spelling of 2233604421 in words is "two billion, two hundred thirty-three million, six hundred four thousand, four hundred twenty-one".