122200002 has 40 divisors (see below), whose sum is σ = 275107536. Its totient is φ = 40541688.

The previous prime is 122199991. The next prime is 122200003. The reversal of 122200002 is 200002221.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (122200003) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 35113 + ... + 38435.

Almost surely, 2^122200002 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 122200002, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (137553768).

122200002 is an abundant number, since it is smaller than the sum of its proper divisors (152907534).

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

122200002 is a wasteful number, since it uses less digits than its factorization.

122200002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3564 (or 3555 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 9.

The square root of 122200002 is about 11054.4109748100. The cubic root of 122200002 is about 496.2384416556.

Adding to 122200002 its reverse (200002221), we get a palindrome (322202223).

The spelling of 122200002 in words is "one hundred twenty-two million, two hundred thousand, two".