428022037 has 2 divisors, whose sum is σ = 428022038. Its totient is φ = 428022036.

The previous prime is 428021999. The next prime is 428022041. The reversal of 428022037 is 730220824.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 369177796 + 58844241 = 19214^2 + 7671^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-428022037 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 428021996 and 428022014.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (428022337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 214011018 + 214011019.

It is an arithmetic number, because the mean of its divisors is an integer number (214011019).

Almost surely, 2^428022037 is an apocalyptic number.

It is an amenable number.

428022037 is a deficient number, since it is larger than the sum of its proper divisors (1).

428022037 is an equidigital number, since it uses as much as digits as its factorization.

428022037 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5376, while the sum is 28.

The square root of 428022037 is about 20688.6934580219. The cubic root of 428022037 is about 753.6251381921.

The spelling of 428022037 in words is "four hundred twenty-eight million, twenty-two thousand, thirty-seven".