40922779 has 2 divisors, whose sum is σ = 40922780. Its totient is φ = 40922778.

The previous prime is 40922753. The next prime is 40922807. The reversal of 40922779 is 97722904.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40922779 - 2⁵ = 40922747 is a prime.

It is not a weakly prime, because it can be changed into another prime (40922719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20461389 + 20461390.

It is an arithmetic number, because the mean of its divisors is an integer number (20461390).

Almost surely, 2^40922779 is an apocalyptic number.

40922779 is a deficient number, since it is larger than the sum of its proper divisors (1).

40922779 is an equidigital number, since it uses as much as digits as its factorization.

40922779 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 63504, while the sum is 40.

The square root of 40922779 is about 6397.0914484631. The cubic root of 40922779 is about 344.6051044208.

The spelling of 40922779 in words is "forty million, nine hundred twenty-two thousand, seven hundred seventy-nine".