623220196 has 6 divisors (see below), whose sum is σ = 1090635350. Its totient is φ = 311610096.

The previous prime is 623220161. The next prime is 623220211. The reversal of 623220196 is 691022326.

It can be written as a sum of positive squares in only one way, i.e., 621804096 + 1416100 = 24936^2 + 1190^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77902521 + ... + 77902528.

Almost surely, 2^623220196 is an apocalyptic number.

It is an amenable number.

623220196 is a deficient number, since it is larger than the sum of its proper divisors (467415154).

623220196 is a wasteful number, since it uses less digits than its factorization.

623220196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155805053 (or 155805051 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 623220196 is about 24964.3785422349. The cubic root of 623220196 is about 854.1756225350.

The spelling of 623220196 in words is "six hundred twenty-three million, two hundred twenty thousand, one hundred ninety-six".