42922573 has 2 divisors, whose sum is σ = 42922574. Its totient is φ = 42922572.

The previous prime is 42922567. The next prime is 42922601. The reversal of 42922573 is 37522924.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 40106889 + 2815684 = 6333^2 + 1678^2 .

It is a cyclic number.

It is not a de Polignac number, because 42922573 - 2¹³ = 42914381 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42922973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21461286 + 21461287.

It is an arithmetic number, because the mean of its divisors is an integer number (21461287).

Almost surely, 2^42922573 is an apocalyptic number.

It is an amenable number.

42922573 is a deficient number, since it is larger than the sum of its proper divisors (1).

42922573 is an equidigital number, since it uses as much as digits as its factorization.

42922573 is an evil number, because the sum of its binary digits is even.

The product of its digits is 30240, while the sum is 34.

The square root of 42922573 is about 6551.5321108883. The cubic root of 42922573 is about 350.1294024914.

The spelling of 42922573 in words is "forty-two million, nine hundred twenty-two thousand, five hundred seventy-three".