2233738 has 16 divisors (see below), whose sum is σ = 3678696. Its totient is φ = 1010880.

The previous prime is 2233723. The next prime is 2233739. The reversal of 2233738 is 8373322.

It can be written as a sum of positive squares in 4 ways, for example, as 1996569 + 237169 = 1413^2 + 487^2 .

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (2233739) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 568 + ... + 2188.

2^2233738 is an apocalyptic number.

2233738 is a deficient number, since it is larger than the sum of its proper divisors (1444958).

2233738 is a wasteful number, since it uses less digits than its factorization.

2233738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1689.

The product of its digits is 6048, while the sum is 28.

The square root of 2233738 is about 1494.5695032350. The cubic root of 2233738 is about 130.7206135128.

Adding to 2233738 its product of digits (6048), we get a triangular number (2239786 = T₂₁₁₆).

The spelling of 2233738 in words is "two million, two hundred thirty-three thousand, seven hundred thirty-eight".