402213037 has 2 divisors, whose sum is σ = 402213038. Its totient is φ = 402213036.

The previous prime is 402213011. The next prime is 402213059. The reversal of 402213037 is 730312204.

It is an a-pointer prime, because the next prime (402213059) can be obtained adding 402213037 to its sum of digits (22).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 242923396 + 159289641 = 15586^2 + 12621^2 .

It is a cyclic number.

It is not a de Polignac number, because 402213037 - 2¹¹ = 402210989 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 402212999 and 402213017.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (402213067) 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, 201106518 + 201106519.

It is an arithmetic number, because the mean of its divisors is an integer number (201106519).

Almost surely, 2^402213037 is an apocalyptic number.

It is an amenable number.

402213037 is a deficient number, since it is larger than the sum of its proper divisors (1).

402213037 is an equidigital number, since it uses as much as digits as its factorization.

402213037 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008, while the sum is 22.

The square root of 402213037 is about 20055.2496120093. The cubic root of 402213037 is about 738.1626178124.

The spelling of 402213037 in words is "four hundred two million, two hundred thirteen thousand, thirty-seven".