2194458 has 16 divisors (see below), whose sum is σ = 5016000. Its totient is φ = 626976.

The previous prime is 2194457. The next prime is 2194471. The reversal of 2194458 is 8544912.

It is not an unprimeable number, because it can be changed into a prime (2194457) 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, 26083 + ... + 26166.

It is an arithmetic number, because the mean of its divisors is an integer number (313500).

2^2194458 is an apocalyptic number.

2194458 is an abundant number, since it is smaller than the sum of its proper divisors (2821542).

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

2194458 is a wasteful number, since it uses less digits than its factorization.

2194458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52261.

The product of its digits is 11520, while the sum is 33.

The square root of 2194458 is about 1481.3703115697. The cubic root of 2194458 is about 129.9498425834.

It can be divided in two parts, 219445 and 8, that added together give a triangular number (219453 = T₆₆₂).

The spelling of 2194458 in words is "two million, one hundred ninety-four thousand, four hundred fifty-eight".