40221232147 has 2 divisors, whose sum is σ = 40221232148. Its totient is φ = 40221232146.

The previous prime is 40221232081. The next prime is 40221232157. The reversal of 40221232147 is 74123212204.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40221232147 - 2³⁵ = 5861493779 is a prime.

It is not a weakly prime, because it can be changed into another prime (40221232157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20110616073 + 20110616074.

It is an arithmetic number, because the mean of its divisors is an integer number (20110616074).

Almost surely, 2^40221232147 is an apocalyptic number.

40221232147 is a deficient number, since it is larger than the sum of its proper divisors (1).

40221232147 is an equidigital number, since it uses as much as digits as its factorization.

40221232147 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5376, while the sum is 28.

The spelling of 40221232147 in words is "forty billion, two hundred twenty-one million, two hundred thirty-two thousand, one hundred forty-seven".