122230221988 has 24 divisors (see below), whose sum is σ = 244484170112. Its totient is φ = 52379296704.

The previous prime is 122230221983. The next prime is 122230222013. The reversal of 122230221988 is 889122032221.

It is a self number, because there is not a number n which added to its sum of digits gives 122230221988.

It is not an unprimeable number, because it can be changed into a prime (122230221983) 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, 89320 + ... + 502432.

Almost surely, 2^122230221988 is an apocalyptic number.

It is an amenable number.

122230221988 is an abundant number, since it is smaller than the sum of its proper divisors (122253948124).

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

122230221988 is a wasteful number, since it uses less digits than its factorization.

122230221988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 423691 (or 423689 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 40.

The spelling of 122230221988 in words is "one hundred twenty-two billion, two hundred thirty million, two hundred twenty-one thousand, nine hundred eighty-eight".