402202222 has 16 divisors (see below), whose sum is σ = 635621760. Its totient is φ = 190347192.

The previous prime is 402202217. The next prime is 402202223. The reversal of 402202222 is 222202204.

It is a super-3 number, since 3×402202222³ (a number of 27 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 402202196 and 402202205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402202223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45453 + ... + 53575.

It is an arithmetic number, because the mean of its divisors is an integer number (39726360).

Almost surely, 2^402202222 is an apocalyptic number.

402202222 is a deficient number, since it is larger than the sum of its proper divisors (233419538).

402202222 is a wasteful number, since it uses less digits than its factorization.

402202222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9447.

The product of its (nonzero) digits is 256, while the sum is 16.

The square root of 402202222 is about 20054.9799800449. The cubic root of 402202222 is about 738.1560016666.

Adding to 402202222 its reverse (222202204), we get a palindrome (624404426).

The spelling of 402202222 in words is "four hundred two million, two hundred two thousand, two hundred twenty-two".