74142162170222 has 8 divisors (see below), whose sum is σ = 111213484671000. Its totient is φ = 37071000613224.

The previous prime is 74142162170201. The next prime is 74142162170227. The reversal of 74142162170222 is 22207126124147.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×74142162170222² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 74142162170222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74142162170227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39077597 + ... + 40930952.

It is an arithmetic number, because the mean of its divisors is an integer number (13901685583875).

Almost surely, 2^{74142162170222} is an apocalyptic number.

74142162170222 is a deficient number, since it is larger than the sum of its proper divisors (37071322500778).

74142162170222 is a wasteful number, since it uses less digits than its factorization.

74142162170222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80471890.

The product of its (nonzero) digits is 150528, while the sum is 41.

Adding to 74142162170222 its reverse (22207126124147), we get a palindrome (96349288294369).

The spelling of 74142162170222 in words is "seventy-four trillion, one hundred forty-two billion, one hundred sixty-two million, one hundred seventy thousand, two hundred twenty-two".