694220193 has 16 divisors (see below), whose sum is σ = 1032787200. Its totient is φ = 460872720.

The previous prime is 694220171. The next prime is 694220207. The reversal of 694220193 is 391022496.

It is not a de Polignac number, because 694220193 - 2⁵ = 694220161 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (694220393) 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, 47338 + ... + 60243.

It is an arithmetic number, because the mean of its divisors is an integer number (64549200).

Almost surely, 2^694220193 is an apocalyptic number.

It is an amenable number.

694220193 is a deficient number, since it is larger than the sum of its proper divisors (338567007).

694220193 is a wasteful number, since it uses less digits than its factorization.

694220193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107829 (or 107823 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The square root of 694220193 is about 26348.0586191848. The cubic root of 694220193 is about 885.4534763023.

The spelling of 694220193 in words is "six hundred ninety-four million, two hundred twenty thousand, one hundred ninety-three".