122220402430 has 32 divisors (see below), whose sum is σ = 251618270400. Its totient is φ = 41871897600.

The previous prime is 122220402391. The next prime is 122220402431. The reversal of 122220402430 is 34204022221.

It is a super-2 number, since 2×122220402430² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122220402431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 579955 + ... + 762094.

It is an arithmetic number, because the mean of its divisors is an integer number (7863070950).

Almost surely, 2^122220402430 is an apocalyptic number.

122220402430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122220402430 is an abundant number, since it is smaller than the sum of its proper divisors (129397867970).

122220402430 is a wasteful number, since it uses less digits than its factorization.

122220402430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1343364.

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 122220402430 its reverse (34204022221), we get a palindrome (156424424651).

The spelling of 122220402430 in words is "one hundred twenty-two billion, two hundred twenty million, four hundred two thousand, four hundred thirty".