402212030223 has 4 divisors (see below), whose sum is σ = 536282706968. Its totient is φ = 268141353480.

The previous prime is 402212030221. The next prime is 402212030239. The reversal of 402212030223 is 322030212204.

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

It is not a de Polignac number, because 402212030223 - 2¹ = 402212030221 is a prime.

It is a super-2 number, since 2×402212030223² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 402212030223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402212030221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67035338368 + ... + 67035338373.

It is an arithmetic number, because the mean of its divisors is an integer number (134070676742).

Almost surely, 2^402212030223 is an apocalyptic number.

402212030223 is a deficient number, since it is larger than the sum of its proper divisors (134070676745).

402212030223 is a wasteful number, since it uses less digits than its factorization.

402212030223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134070676744.

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 402212030223 its reverse (322030212204), we get a palindrome (724242242427).

The spelling of 402212030223 in words is "four hundred two billion, two hundred twelve million, thirty thousand, two hundred twenty-three".