402182218202 has 32 divisors (see below), whose sum is σ = 630410618880. Its totient is φ = 192206579760.

The previous prime is 402182218099. The next prime is 402182218267. The reversal of 402182218202 is 202812281204.

It is a super-2 number, since 2×402182218202² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23678549 + ... + 23695527.

It is an arithmetic number, because the mean of its divisors is an integer number (19700331840).

Almost surely, 2^402182218202 is an apocalyptic number.

402182218202 is a deficient number, since it is larger than the sum of its proper divisors (228228400678).

402182218202 is a wasteful number, since it uses less digits than its factorization.

402182218202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21698.

The product of its (nonzero) digits is 8192, while the sum is 32.

Adding to 402182218202 its reverse (202812281204), we get a palindrome (604994499406).

The spelling of 402182218202 in words is "four hundred two billion, one hundred eighty-two million, two hundred eighteen thousand, two hundred two".