422011537 has 2 divisors, whose sum is σ = 422011538. Its totient is φ = 422011536.

The previous prime is 422011511. The next prime is 422011547. The reversal of 422011537 is 735110224.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 363703041 + 58308496 = 19071^2 + 7636^2 .

It is a cyclic number.

It is not a de Polignac number, because 422011537 - 2⁷ = 422011409 is a prime.

It is a super-2 number, since 2×422011537² = 356187474722204738, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (422011507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211005768 + 211005769.

It is an arithmetic number, because the mean of its divisors is an integer number (211005769).

Almost surely, 2^422011537 is an apocalyptic number.

It is an amenable number.

422011537 is a deficient number, since it is larger than the sum of its proper divisors (1).

422011537 is an equidigital number, since it uses as much as digits as its factorization.

422011537 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 422011537 is about 20542.9193884414. The cubic root of 422011537 is about 750.0809020876.

The spelling of 422011537 in words is "four hundred twenty-two million, eleven thousand, five hundred thirty-seven".