194722214 has 4 divisors (see below), whose sum is σ = 292083324. Its totient is φ = 97361106.

The previous prime is 194722169. The next prime is 194722219. The reversal of 194722214 is 412227491.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (194722219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48680552 + ... + 48680555.

It is an arithmetic number, because the mean of its divisors is an integer number (73020831).

Almost surely, 2^194722214 is an apocalyptic number.

194722214 is a deficient number, since it is larger than the sum of its proper divisors (97361110).

194722214 is an equidigital number, since it uses as much as digits as its factorization.

194722214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97361109.

The product of its digits is 8064, while the sum is 32.

The square root of 194722214 is about 13954.2901646770. The cubic root of 194722214 is about 579.6135098552.

The spelling of 194722214 in words is "one hundred ninety-four million, seven hundred twenty-two thousand, two hundred fourteen".