2233651 has 4 divisors (see below), whose sum is σ = 2552752. Its totient is φ = 1914552.

The previous prime is 2233631. The next prime is 2233657. The reversal of 2233651 is 1563322.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1563322 = 2 ⋅781661.

It is a cyclic number.

It is not a de Polignac number, because 2233651 - 2⁷ = 2233523 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2233657) 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, 159540 + ... + 159553.

It is an arithmetic number, because the mean of its divisors is an integer number (638188).

2^2233651 is an apocalyptic number.

2233651 is a deficient number, since it is larger than the sum of its proper divisors (319101).

2233651 is an equidigital number, since it uses as much as digits as its factorization.

2233651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319100.

The product of its digits is 1080, while the sum is 22.

The square root of 2233651 is about 1494.5403975805. The cubic root of 2233651 is about 130.7189163814.

Adding to 2233651 its reverse (1563322), we get a palindrome (3796973).

The spelling of 2233651 in words is "two million, two hundred thirty-three thousand, six hundred fifty-one".