2194359 has 16 divisors (see below), whose sum is σ = 3069792. Its totient is φ = 1392768.

The previous prime is 2194351. The next prime is 2194369. The reversal of 2194359 is 9534912.

It is not a de Polignac number, because 2194359 - 2³ = 2194351 is a prime.

It is a super-2 number, since 2×2194359² = 9630422841762, which contains 22 as substring.

2194359 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2194351) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5697 + ... + 6069.

It is an arithmetic number, because the mean of its divisors is an integer number (191862).

2^2194359 is an apocalyptic number.

2194359 is a deficient number, since it is larger than the sum of its proper divisors (875433).

2194359 is a wasteful number, since it uses less digits than its factorization.

2194359 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 466.

The product of its digits is 9720, while the sum is 33.

The square root of 2194359 is about 1481.3368961853. The cubic root of 2194359 is about 129.9478883836.

The spelling of 2194359 in words is "two million, one hundred ninety-four thousand, three hundred fifty-nine".