122240292 has 24 divisors (see below), whose sum is σ = 287408352. Its totient is φ = 40435200.

The previous prime is 122240269. The next prime is 122240299. The reversal of 122240292 is 292042221.

It is not an unprimeable number, because it can be changed into a prime (122240299) 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 7 ways as a sum of consecutive naturals, for example, 37309 + ... + 40452.

It is an arithmetic number, because the mean of its divisors is an integer number (11975348).

Almost surely, 2^122240292 is an apocalyptic number.

122240292 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

122240292 is an abundant number, since it is smaller than the sum of its proper divisors (165168060).

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

122240292 is a wasteful number, since it uses less digits than its factorization.

122240292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77899 (or 77897 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 122240292 is about 11056.2331740969. The cubic root of 122240292 is about 496.2929731602.

It can be divided in two parts, 1222 and 40292, that added together give a palindrome (41514).

The spelling of 122240292 in words is "one hundred twenty-two million, two hundred forty thousand, two hundred ninety-two".