2238556 has 6 divisors (see below), whose sum is σ = 3917480. Its totient is φ = 1119276.

The previous prime is 2238529. The next prime is 2238557. The reversal of 2238556 is 6558322.

It is a happy number.

It is a super-2 number, since 2×2238556² = 10022265930272, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2238557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 279816 + ... + 279823.

2^2238556 is an apocalyptic number.

It is an amenable number.

2238556 is a deficient number, since it is larger than the sum of its proper divisors (1678924).

2238556 is a wasteful number, since it uses less digits than its factorization.

2238556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 559643 (or 559641 counting only the distinct ones).

The product of its digits is 14400, while the sum is 31.

The square root of 2238556 is about 1496.1804703979. The cubic root of 2238556 is about 130.8145307701.

The spelling of 2238556 in words is "two million, two hundred thirty-eight thousand, five hundred fifty-six".