402223210429 has 2 divisors, whose sum is σ = 402223210430. Its totient is φ = 402223210428.

The previous prime is 402223210421. The next prime is 402223210447. The reversal of 402223210429 is 924012322204.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 370300241529 + 31922968900 = 608523^2 + 178670^2 .

It is a cyclic number.

It is not a de Polignac number, because 402223210429 - 2³ = 402223210421 is a prime.

It is a super-2 number, since 2×402223210429² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 402223210429.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (402223210421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201111605214 + 201111605215.

It is an arithmetic number, because the mean of its divisors is an integer number (201111605215).

Almost surely, 2^402223210429 is an apocalyptic number.

It is an amenable number.

402223210429 is a deficient number, since it is larger than the sum of its proper divisors (1).

402223210429 is an equidigital number, since it uses as much as digits as its factorization.

402223210429 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13824, while the sum is 31.

The spelling of 402223210429 in words is "four hundred two billion, two hundred twenty-three million, two hundred ten thousand, four hundred twenty-nine".