39622069 has 2 divisors, whose sum is σ = 39622070. Its totient is φ = 39622068.

The previous prime is 39622057. The next prime is 39622073. The reversal of 39622069 is 96022693.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39225169 + 396900 = 6263^2 + 630^2 .

It is a cyclic number.

It is not a de Polignac number, because 39622069 - 2⁷ = 39621941 is a prime.

It is a super-2 number, since 2×39622069² = 3139816703681522, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (39622039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19811034 + 19811035.

It is an arithmetic number, because the mean of its divisors is an integer number (19811035).

Almost surely, 2^39622069 is an apocalyptic number.

It is an amenable number.

39622069 is a deficient number, since it is larger than the sum of its proper divisors (1).

39622069 is an equidigital number, since it uses as much as digits as its factorization.

39622069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34992, while the sum is 37.

The square root of 39622069 is about 6294.6063419407. The cubic root of 39622069 is about 340.9146910089.

The spelling of 39622069 in words is "thirty-nine million, six hundred twenty-two thousand, sixty-nine".