122170622730 has 64 divisors (see below), whose sum is σ = 325950041088. Its totient is φ = 29102676480.

The previous prime is 122170622719. The next prime is 122170622773. The reversal of 122170622730 is 37226071221.

It is a super-2 number, since 2×122170622730² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 122170622691 and 122170622700.

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, 5040459 + ... + 5064638.

It is an arithmetic number, because the mean of its divisors is an integer number (5092969392).

Almost surely, 2^122170622730 is an apocalyptic number.

122170622730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122170622730 is an abundant number, since it is smaller than the sum of its proper divisors (203779418358).

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

122170622730 is a wasteful number, since it uses less digits than its factorization.

122170622730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10105151.

The product of its (nonzero) digits is 14112, while the sum is 33.

Adding to 122170622730 its reverse (37226071221), we get a palindrome (159396693951).

The spelling of 122170622730 in words is "one hundred twenty-two billion, one hundred seventy million, six hundred twenty-two thousand, seven hundred thirty".