2251394 has 16 divisors (see below), whose sum is σ = 3535488. Its totient is φ = 1074192.

The previous prime is 2251373. The next prime is 2251397. The reversal of 2251394 is 4931522.

It is a d-powerful number, because it can be written as 2¹³ + 2¹⁹ + 5 + 1 + 3¹³ + 9⁵ + 4⁸ .

It is not an unprimeable number, because it can be changed into a prime (2251397) 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, 3764 + ... + 4320.

It is an arithmetic number, because the mean of its divisors is an integer number (220968).

2^2251394 is an apocalyptic number.

2251394 is a deficient number, since it is larger than the sum of its proper divisors (1284094).

2251394 is a wasteful number, since it uses less digits than its factorization.

2251394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 649.

The product of its digits is 2160, while the sum is 26.

The square root of 2251394 is about 1500.4645947172. The cubic root of 2251394 is about 131.0641257052.

The spelling of 2251394 in words is "two million, two hundred fifty-one thousand, three hundred ninety-four".