426722437 has 2 divisors, whose sum is σ = 426722438. Its totient is φ = 426722436.

The previous prime is 426722407. The next prime is 426722467. The reversal of 426722437 is 734227624.

It is a balanced prime because it is at equal distance from previous prime (426722407) and next prime (426722467).

It can be written as a sum of positive squares in only one way, i.e., 356983236 + 69739201 = 18894^2 + 8351^2 .

It is a cyclic number.

It is not a de Polignac number, because 426722437 - 2¹¹ = 426720389 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 426722396 and 426722405.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (426722407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213361218 + 213361219.

It is an arithmetic number, because the mean of its divisors is an integer number (213361219).

Almost surely, 2^426722437 is an apocalyptic number.

It is an amenable number.

426722437 is a deficient number, since it is larger than the sum of its proper divisors (1).

426722437 is an equidigital number, since it uses as much as digits as its factorization.

426722437 is an evil number, because the sum of its binary digits is even.

The product of its digits is 112896, while the sum is 37.

The square root of 426722437 is about 20657.2611204874. The cubic root of 426722437 is about 752.8616228589.

The spelling of 426722437 in words is "four hundred twenty-six million, seven hundred twenty-two thousand, four hundred thirty-seven".