2152274 has 4 divisors (see below), whose sum is σ = 3228414. Its totient is φ = 1076136.

The previous prime is 2152247. The next prime is 2152291. The reversal of 2152274 is 4722512.

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., 1600225 + 552049 = 1265^2 + 743^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 538067 + ... + 538070.

2^2152274 is an apocalyptic number.

2152274 is a deficient number, since it is larger than the sum of its proper divisors (1076140).

2152274 is a wasteful number, since it uses less digits than its factorization.

2152274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1076139.

The product of its digits is 1120, while the sum is 23.

The square root of 2152274 is about 1467.0630524964. The cubic root of 2152274 is about 129.1117754046. Note that the first 3 decimals are identical.

Adding to 2152274 its reverse (4722512), we get a palindrome (6874786).

The spelling of 2152274 in words is "two million, one hundred fifty-two thousand, two hundred seventy-four".