122222838840 has 32 divisors (see below), whose sum is σ = 366668516880. Its totient is φ = 32592756992.

The previous prime is 122222838811. The next prime is 122222838883. The reversal of 122222838840 is 48838222221.

122222838840 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×122222838840² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 122222838792 and 122222838801.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 509261709 + ... + 509261948.

Almost surely, 2^122222838840 is an apocalyptic number.

122222838840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122222838840 is an abundant number, since it is smaller than the sum of its proper divisors (244445678040).

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

122222838840 is a wasteful number, since it uses less digits than its factorization.

122222838840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1018523671 (or 1018523667 counting only the distinct ones).

The product of its (nonzero) digits is 196608, while the sum is 42.

The spelling of 122222838840 in words is "one hundred twenty-two billion, two hundred twenty-two million, eight hundred thirty-eight thousand, eight hundred forty".