616223206 has 4 divisors (see below), whose sum is σ = 924334812. Its totient is φ = 308111602.

The previous prime is 616223203. The next prime is 616223213. The reversal of 616223206 is 602322616.

It is a happy number.

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

It is a super-2 number, since 2×616223206² = 759462079225836872, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (616223203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 154055800 + ... + 154055803.

It is an arithmetic number, because the mean of its divisors is an integer number (231083703).

Almost surely, 2^616223206 is an apocalyptic number.

616223206 is a deficient number, since it is larger than the sum of its proper divisors (308111606).

616223206 is a wasteful number, since it uses less digits than its factorization.

616223206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308111605.

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 616223206 is about 24823.8434977342. The cubic root of 616223206 is about 850.9669300871.

The spelling of 616223206 in words is "six hundred sixteen million, two hundred twenty-three thousand, two hundred six".