8223850136 has 8 divisors (see below), whose sum is σ = 15419719020. Its totient is φ = 4111925064.

The previous prime is 8223850109. The next prime is 8223850183. The reversal of 8223850136 is 6310583228.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×8223850136² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 8223850136.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 513990626 + ... + 513990641.

Almost surely, 2^8223850136 is an apocalyptic number.

It is an amenable number.

8223850136 is a deficient number, since it is larger than the sum of its proper divisors (7195868884).

8223850136 is a wasteful number, since it uses less digits than its factorization.

8223850136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1027981273 (or 1027981269 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 38.

The square root of 8223850136 is about 90685.4461090643. The cubic root of 8223850136 is about 2018.4828440687.

The spelling of 8223850136 in words is "eight billion, two hundred twenty-three million, eight hundred fifty thousand, one hundred thirty-six".