402213214 has 16 divisors (see below), whose sum is σ = 655805808. Its totient is φ = 183900672.

The previous prime is 402213211. The next prime is 402213233. The reversal of 402213214 is 412312204.

It is a super-3 number, since 3×402213214³ (a number of 27 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 402213191 and 402213200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402213211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69507 + ... + 75070.

It is an arithmetic number, because the mean of its divisors is an integer number (40987863).

Almost surely, 2^402213214 is an apocalyptic number.

402213214 is a deficient number, since it is larger than the sum of its proper divisors (253592594).

402213214 is a wasteful number, since it uses less digits than its factorization.

402213214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144699.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 402213214 is about 20055.2540248185. The cubic root of 402213214 is about 738.1627260923.

Adding to 402213214 its reverse (412312204), we get a palindrome (814525418).

The spelling of 402213214 in words is "four hundred two million, two hundred thirteen thousand, two hundred fourteen".