2242138 has 8 divisors (see below), whose sum is σ = 3372660. Its totient is φ = 1117920.

The previous prime is 2242129. The next prime is 2242157. The reversal of 2242138 is 8312422.

It can be written as a sum of positive squares in 2 ways, for example, as 2199289 + 42849 = 1483^2 + 207^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×2242138² = 10054365622088, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 553 + ... + 2188.

2^2242138 is an apocalyptic number.

2242138 is a deficient number, since it is larger than the sum of its proper divisors (1130522).

2242138 is a wasteful number, since it uses less digits than its factorization.

2242138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3152.

The product of its digits is 768, while the sum is 22.

The square root of 2242138 is about 1497.3770400270. The cubic root of 2242138 is about 130.8842673833.

The spelling of 2242138 in words is "two million, two hundred forty-two thousand, one hundred thirty-eight".