402212221200244 has 48 divisors (see below), whose sum is σ = 883982903776000. Its totient is φ = 159116922665568.

The previous prime is 402212221200227. The next prime is 402212221200247. The reversal of 402212221200244 is 442002122212204.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402212221200247) 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, 11275274304 + ... + 11275309975.

Almost surely, 2^{402212221200244} is an apocalyptic number.

It is an amenable number.

402212221200244 is an abundant number, since it is smaller than the sum of its proper divisors (481770682575756).

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

402212221200244 is a wasteful number, since it uses less digits than its factorization.

402212221200244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22550584317 (or 22550584301 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 28.

Adding to 402212221200244 its reverse (442002122212204), we get a palindrome (844214343412448).

The spelling of 402212221200244 in words is "four hundred two trillion, two hundred twelve billion, two hundred twenty-one million, two hundred thousand, two hundred forty-four".