122275146 has 64 divisors (see below), whose sum is σ = 298368000. Its totient is φ = 32628096.

The previous prime is 122275123. The next prime is 122275147. The reversal of 122275146 is 641572221.

It is a super-2 number, since 2×122275146² = 29902422658642632, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (122275147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 57205 + ... + 59303.

It is an arithmetic number, because the mean of its divisors is an integer number (4662000).

Almost surely, 2^122275146 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 122275146, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (149184000).

122275146 is an abundant number, since it is smaller than the sum of its proper divisors (176092854).

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

122275146 is a wasteful number, since it uses less digits than its factorization.

122275146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2203.

The product of its digits is 6720, while the sum is 30.

The square root of 122275146 is about 11057.8092767058. The cubic root of 122275146 is about 496.3401375096.

The spelling of 122275146 in words is "one hundred twenty-two million, two hundred seventy-five thousand, one hundred forty-six".