2251501336 has 32 divisors (see below), whose sum is σ = 4836846240. Its totient is φ = 962489088.

The previous prime is 2251501297. The next prime is 2251501337. The reversal of 2251501336 is 6331051522.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2251501337) 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, 28405 + ... + 72868.

It is an arithmetic number, because the mean of its divisors is an integer number (151151445).

Almost surely, 2^2251501336 is an apocalyptic number.

It is an amenable number.

2251501336 is an abundant number, since it is smaller than the sum of its proper divisors (2585344904).

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

2251501336 is a wasteful number, since it uses less digits than its factorization.

2251501336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101683 (or 101679 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 28.

The square root of 2251501336 is about 47449.9877344557. The cubic root of 2251501336 is about 1310.6620851481.

Adding to 2251501336 its reverse (6331051522), we get a palindrome (8582552858).

The spelling of 2251501336 in words is "two billion, two hundred fifty-one million, five hundred one thousand, three hundred thirty-six".