122200234440 has 32 divisors (see below), whose sum is σ = 366600703680. Its totient is φ = 32586729152.

The previous prime is 122200234439. The next prime is 122200234447. The reversal of 122200234440 is 44432002221.

It is a super-2 number, since 2×122200234440² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 122200234440.

It is not an unprimeable number, because it can be changed into a prime (122200234447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 509167524 + ... + 509167763.

It is an arithmetic number, because the mean of its divisors is an integer number (11456271990).

Almost surely, 2^122200234440 is an apocalyptic number.

122200234440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122200234440 is an abundant number, since it is smaller than the sum of its proper divisors (244400469240).

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

122200234440 is a wasteful number, since it uses less digits than its factorization.

122200234440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1018335301 (or 1018335297 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 122200234440 its reverse (44432002221), we get a palindrome (166632236661).

The spelling of 122200234440 in words is "one hundred twenty-two billion, two hundred million, two hundred thirty-four thousand, four hundred forty".