2193450862 has 4 divisors (see below), whose sum is σ = 3290176296. Its totient is φ = 1096725430.

The previous prime is 2193450859. The next prime is 2193450863. The reversal of 2193450862 is 2680543912.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×2193450862² = 9622453368017086088, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2193450863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 548362714 + ... + 548362717.

It is an arithmetic number, because the mean of its divisors is an integer number (822544074).

Almost surely, 2^2193450862 is an apocalyptic number.

2193450862 is a deficient number, since it is larger than the sum of its proper divisors (1096725434).

2193450862 is a wasteful number, since it uses less digits than its factorization.

2193450862 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1096725433.

The product of its (nonzero) digits is 103680, while the sum is 40.

The square root of 2193450862 is about 46834.2915180747. The cubic root of 2193450862 is about 1299.2995954900.

The spelling of 2193450862 in words is "two billion, one hundred ninety-three million, four hundred fifty thousand, eight hundred sixty-two".