194406226 has 32 divisors (see below), whose sum is σ = 346550400. Its totient is φ = 81729648.

The previous prime is 194406221. The next prime is 194406253. The reversal of 194406226 is 622604491.

194406226 = 204² + 205² + ... + 839².

It is a super-3 number, since 3×194406226³ (a number of 26 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 194406191 and 194406200.

It is not an unprimeable number, because it can be changed into a prime (194406221) 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, 33685 + ... + 39031.

It is an arithmetic number, because the mean of its divisors is an integer number (10829700).

Almost surely, 2^194406226 is an apocalyptic number.

194406226 is a deficient number, since it is larger than the sum of its proper divisors (152144174).

194406226 is an equidigital number, since it uses as much as digits as its factorization.

194406226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5423 (or 5409 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 194406226 is about 13942.9633148768. The cubic root of 194406226 is about 579.2998149946.

The spelling of 194406226 in words is "one hundred ninety-four million, four hundred six thousand, two hundred twenty-six".