2233642 has 4 divisors (see below), whose sum is σ = 3350466. Its totient is φ = 1116820.

The previous prime is 2233631. The next prime is 2233657. The reversal of 2233642 is 2463322.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 1745041 + 488601 = 1321^2 + 699^2 .

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a d-powerful number, because it can be written as 2³ + 2¹⁷ + 3² + 3² + 6⁴ + 4⁶ + 2²¹ .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 558409 + ... + 558412.

2^2233642 is an apocalyptic number.

2233642 is a deficient number, since it is larger than the sum of its proper divisors (1116824).

2233642 is a wasteful number, since it uses less digits than its factorization.

2233642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1116823.

The product of its digits is 1728, while the sum is 22.

The square root of 2233642 is about 1494.5373866183. The cubic root of 2233642 is about 130.7187408136.

Adding to 2233642 its reverse (2463322), we get a palindrome (4696964).

The spelling of 2233642 in words is "two million, two hundred thirty-three thousand, six hundred forty-two".