402223012002 has 288 divisors, whose sum is σ = 1053181284480. Its totient is φ = 110557923840.

The previous prime is 402223011991. The next prime is 402223012003. The reversal of 402223012002 is 200210322204.

It is a super-2 number, since 2×402223012002² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (402223012003) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 1061274249 + ... + 1061274627.

It is an arithmetic number, because the mean of its divisors is an integer number (3656879460).

Almost surely, 2^402223012002 is an apocalyptic number.

402223012002 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 402223012002, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (526590642240).

402223012002 is an abundant number, since it is smaller than the sum of its proper divisors (650958272478).

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

402223012002 is a wasteful number, since it uses less digits than its factorization.

402223012002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 838 (or 828 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

Adding to 402223012002 its reverse (200210322204), we get a palindrome (602433334206).

The spelling of 402223012002 in words is "four hundred two billion, two hundred twenty-three million, twelve thousand, two".