2251644074 has 16 divisors (see below), whose sum is σ = 3406861728. Its totient is φ = 1116057072.

The previous prime is 2251644053. The next prime is 2251644079. The reversal of 2251644074 is 4704461522.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2251644079) 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, 131009 + ... + 147195.

It is an arithmetic number, because the mean of its divisors is an integer number (212928858).

Almost surely, 2^2251644074 is an apocalyptic number.

2251644074 is a deficient number, since it is larger than the sum of its proper divisors (1155217654).

2251644074 is a wasteful number, since it uses less digits than its factorization.

2251644074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16789.

The product of its (nonzero) digits is 53760, while the sum is 35.

The square root of 2251644074 is about 47451.4917995209. The cubic root of 2251644074 is about 1310.6897818274.

The spelling of 2251644074 in words is "two billion, two hundred fifty-one million, six hundred forty-four thousand, seventy-four".