402350222 has 4 divisors (see below), whose sum is σ = 603525336. Its totient is φ = 201175110.

The previous prime is 402350191. The next prime is 402350227. The reversal of 402350222 is 222053204.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×402350222² = 323771402286898568, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 402350194 and 402350203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402350227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100587554 + ... + 100587557.

It is an arithmetic number, because the mean of its divisors is an integer number (150881334).

Almost surely, 2^402350222 is an apocalyptic number.

402350222 is a deficient number, since it is larger than the sum of its proper divisors (201175114).

402350222 is a wasteful number, since it uses less digits than its factorization.

402350222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201175113.

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 402350222 is about 20058.6694972523. The cubic root of 402350222 is about 738.2465313264.

It can be divided in two parts, 4023 and 50222, that added together give a palindrome (54245).

The spelling of 402350222 in words is "four hundred two million, three hundred fifty thousand, two hundred twenty-two".