2251436 has 12 divisors (see below), whose sum is σ = 4298280. Its totient is φ = 1023360.

The previous prime is 2251427. The next prime is 2251451. The reversal of 2251436 is 6341522.

It is a plaindrome in base 16.

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, 25541 + ... + 25628.

It is an arithmetic number, because the mean of its divisors is an integer number (358190).

2^2251436 is an apocalyptic number.

It is an amenable number.

2251436 is a deficient number, since it is larger than the sum of its proper divisors (2046844).

2251436 is a wasteful number, since it uses less digits than its factorization.

2251436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51184 (or 51182 counting only the distinct ones).

The product of its digits is 1440, while the sum is 23.

The square root of 2251436 is about 1500.4785903171. The cubic root of 2251436 is about 131.0649407053.

Adding to 2251436 its reverse (6341522), we get a palindrome (8592958).

It can be divided in two parts, 225 and 1436, that added together give a palindrome (1661).

The spelling of 2251436 in words is "two million, two hundred fifty-one thousand, four hundred thirty-six".