402202321002244 has 48 divisors (see below), whose sum is σ = 808018695651328. Its totient is φ = 171597996345888.

The previous prime is 402202321002191. The next prime is 402202321002247. The reversal of 402202321002244 is 442200123202204.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (402202321002247) 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, 1072675369 + ... + 1073050255.

Almost surely, 2^{402202321002244} is an apocalyptic number.

It is an amenable number.

402202321002244 is an abundant number, since it is smaller than the sum of its proper divisors (405816374649084).

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

402202321002244 is a wasteful number, since it uses less digits than its factorization.

402202321002244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 546944 (or 546942 counting only the distinct ones).

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

Adding to 402202321002244 its reverse (442200123202204), we get a palindrome (844402444204448).

The spelling of 402202321002244 in words is "four hundred two trillion, two hundred two billion, three hundred twenty-one million, two thousand, two hundred forty-four".