122322140 has 36 divisors (see below), whose sum is σ = 272888616. Its totient is φ = 46048512.

The previous prime is 122322139. The next prime is 122322149. The reversal of 122322140 is 41223221.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122322149) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4802 + ... + 16361.

Almost surely, 2^122322140 is an apocalyptic number.

122322140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122322140 is an abundant number, since it is smaller than the sum of its proper divisors (150566476).

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

122322140 is a wasteful number, since it uses less digits than its factorization.

122322140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21206 (or 21187 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 122322140 is about 11059.9339961864. The cubic root of 122322140 is about 496.4037154910.

Adding to 122322140 its reverse (41223221), we get a palindrome (163545361).

The spelling of 122322140 in words is "one hundred twenty-two million, three hundred twenty-two thousand, one hundred forty".