194472222 has 64 divisors (see below), whose sum is σ = 476457984. Its totient is φ = 51701760.

The previous prime is 194472217. The next prime is 194472233. The reversal of 194472222 is 222274491.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 33022 + ... + 38462.

It is an arithmetic number, because the mean of its divisors is an integer number (7444656).

Almost surely, 2^194472222 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 194472222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (238228992).

194472222 is an abundant number, since it is smaller than the sum of its proper divisors (281985762).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

194472222 is a wasteful number, since it uses less digits than its factorization.

194472222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5513.

The product of its digits is 16128, while the sum is 33.

The square root of 194472222 is about 13945.3297558717. The cubic root of 194472222 is about 579.3653601265.

It can be divided in two parts, 19447 and 2222, that multiplied together give a palindrome (43211234).

The spelling of 194472222 in words is "one hundred ninety-four million, four hundred seventy-two thousand, two hundred twenty-two".