40922239 has 2 divisors, whose sum is σ = 40922240. Its totient is φ = 40922238.

The previous prime is 40922177. The next prime is 40922261. The reversal of 40922239 is 93222904.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40922239 - 2¹³ = 40914047 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40922239.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40922279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20461119 + 20461120.

It is an arithmetic number, because the mean of its divisors is an integer number (20461120).

Almost surely, 2^40922239 is an apocalyptic number.

40922239 is a deficient number, since it is larger than the sum of its proper divisors (1).

40922239 is an equidigital number, since it uses as much as digits as its factorization.

40922239 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 40922239 is about 6397.0492416426. The cubic root of 40922239 is about 344.6035886589.

The spelling of 40922239 in words is "forty million, nine hundred twenty-two thousand, two hundred thirty-nine".