2251434 has 16 divisors (see below), whose sum is σ = 4519872. Its totient is φ = 747648.

The previous prime is 2251427. The next prime is 2251451. The reversal of 2251434 is 4341522.

It is a plaindrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 2251434.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1587 + ... + 2649.

It is an arithmetic number, because the mean of its divisors is an integer number (282492).

2^2251434 is an apocalyptic number.

2251434 is an abundant number, since it is smaller than the sum of its proper divisors (2268438).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2251434 is a wasteful number, since it uses less digits than its factorization.

2251434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1421.

The product of its digits is 960, while the sum is 21.

The square root of 2251434 is about 1500.4779238629. The cubic root of 2251434 is about 131.0649018960.

Adding to 2251434 its reverse (4341522), we get a palindrome (6592956).

The spelling of 2251434 in words is "two million, two hundred fifty-one thousand, four hundred thirty-four".