40822693 has 2 divisors, whose sum is σ = 40822694. Its totient is φ = 40822692.

The previous prime is 40822681. The next prime is 40822703. The reversal of 40822693 is 39622804.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20948929 + 19873764 = 4577^2 + 4458^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40822693 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40822193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20411346 + 20411347.

It is an arithmetic number, because the mean of its divisors is an integer number (20411347).

Almost surely, 2^40822693 is an apocalyptic number.

It is an amenable number.

40822693 is a deficient number, since it is larger than the sum of its proper divisors (1).

40822693 is an equidigital number, since it uses as much as digits as its factorization.

40822693 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 40822693 is about 6389.2638856131. The cubic root of 40822693 is about 344.3239382551.

The spelling of 40822693 in words is "forty million, eight hundred twenty-two thousand, six hundred ninety-three".