402222434140 has 12 divisors (see below), whose sum is σ = 844667111736. Its totient is φ = 160888973648.

The previous prime is 402222434123. The next prime is 402222434147. The reversal of 402222434140 is 41434222204.

It is a junction number, because it is equal to n+sod(n) for n = 402222434099 and 402222434108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402222434147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10055560834 + ... + 10055560873.

It is an arithmetic number, because the mean of its divisors is an integer number (70388925978).

Almost surely, 2^402222434140 is an apocalyptic number.

It is an amenable number.

402222434140 is an abundant number, since it is smaller than the sum of its proper divisors (442444677596).

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

402222434140 is a wasteful number, since it uses less digits than its factorization.

402222434140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20111121716 (or 20111121714 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 28.

Adding to 402222434140 its reverse (41434222204), we get a palindrome (443656656344).

The spelling of 402222434140 in words is "four hundred two billion, two hundred twenty-two million, four hundred thirty-four thousand, one hundred forty".