402224420244 has 24 divisors (see below), whose sum is σ = 938549700928. Its totient is φ = 134071084800.

The previous prime is 402224420243. The next prime is 402224420267. The reversal of 402224420244 is 442024422204.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402224420243) 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, 3969 + ... + 896919.

Almost surely, 2^402224420244 is an apocalyptic number.

It is an amenable number.

402224420244 is an abundant number, since it is smaller than the sum of its proper divisors (536325280684).

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

402224420244 is a wasteful number, since it uses less digits than its factorization.

402224420244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 930495 (or 930493 counting only the distinct ones).

The product of its (nonzero) digits is 32768, while the sum is 30.

Adding to 402224420244 its reverse (442024422204), we get a palindrome (844248842448).

The spelling of 402224420244 in words is "four hundred two billion, two hundred twenty-four million, four hundred twenty thousand, two hundred forty-four".