2142274 has 8 divisors (see below), whose sum is σ = 3219660. Its totient is φ = 1069056.

The previous prime is 2142271. The next prime is 2142281. The reversal of 2142274 is 4722412.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2082249 + 60025 = 1443^2 + 245^2 .

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

It is a d-powerful number, because it can be written as 2¹³ + 1 + 4² + 2¹⁵ + 2²¹ + 7² + 4⁶ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2142271) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1282 + ... + 2434.

2^2142274 is an apocalyptic number.

2142274 is a deficient number, since it is larger than the sum of its proper divisors (1077386).

2142274 is a wasteful number, since it uses less digits than its factorization.

2142274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2084.

The product of its digits is 896, while the sum is 22.

The square root of 2142274 is about 1463.6509146651. The cubic root of 2142274 is about 128.9115031113.

Adding to 2142274 its reverse (4722412), we get a palindrome (6864686).

The spelling of 2142274 in words is "two million, one hundred forty-two thousand, two hundred seventy-four".