196450221 has 16 divisors (see below), whose sum is σ = 286691328. Its totient is φ = 118666800.

The previous prime is 196450201. The next prime is 196450237. The reversal of 196450221 is 122054691.

It is not a de Polignac number, because 196450221 - 2⁶ = 196450157 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196450201) 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, 436 + ... + 19826.

It is an arithmetic number, because the mean of its divisors is an integer number (17918208).

Almost surely, 2^196450221 is an apocalyptic number.

196450221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

196450221 is a deficient number, since it is larger than the sum of its proper divisors (90241107).

196450221 is a wasteful number, since it uses less digits than its factorization.

196450221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19712.

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 196450221 is about 14016.0700982836. The cubic root of 196450221 is about 581.3230014913.

The spelling of 196450221 in words is "one hundred ninety-six million, four hundred fifty thousand, two hundred twenty-one".