2237258 has 4 divisors (see below), whose sum is σ = 3355890. Its totient is φ = 1118628.

The previous prime is 2237219. The next prime is 2237267. The reversal of 2237258 is 8527322.

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., 1385329 + 851929 = 1177^2 + 923^2 .

It is a Curzon number.

It is a plaindrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 2237258.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 559313 + ... + 559316.

2^2237258 is an apocalyptic number.

2237258 is a deficient number, since it is larger than the sum of its proper divisors (1118632).

2237258 is a wasteful number, since it uses less digits than its factorization.

2237258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1118631.

The product of its digits is 6720, while the sum is 29.

The square root of 2237258 is about 1495.7466362991. The cubic root of 2237258 is about 130.7892421332.

Subtracting 2237258 from its reverse (8527322), we obtain a square (6290064 = 2508²).

The spelling of 2237258 in words is "two million, two hundred thirty-seven thousand, two hundred fifty-eight".