2251154 has 16 divisors (see below), whose sum is σ = 3591000. Its totient is φ = 1056384.

The previous prime is 2251153. The next prime is 2251163. The reversal of 2251154 is 4511522.

It can be written as a sum of positive squares in 4 ways, for example, as 2235025 + 16129 = 1495^2 + 127^2 .

It is not an unprimeable number, because it can be changed into a prime (2251153) 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, 1622 + ... + 2670.

2^2251154 is an apocalyptic number.

2251154 is a deficient number, since it is larger than the sum of its proper divisors (1339846).

2251154 is a wasteful number, since it uses less digits than its factorization.

2251154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1117.

The product of its digits is 400, while the sum is 20.

The square root of 2251154 is about 1500.3846173565. The cubic root of 2251154 is about 131.0594683672.

Adding to 2251154 its reverse (4511522), we get a palindrome (6762676).

The spelling of 2251154 in words is "two million, two hundred fifty-one thousand, one hundred fifty-four".