40224047 has 2 divisors, whose sum is σ = 40224048. Its totient is φ = 40224046.

The previous prime is 40224031. The next prime is 40224059. The reversal of 40224047 is 74042204.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40224047 - 2⁴ = 40224031 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40224077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20112023 + 20112024.

It is an arithmetic number, because the mean of its divisors is an integer number (20112024).

Almost surely, 2^40224047 is an apocalyptic number.

40224047 is a deficient number, since it is larger than the sum of its proper divisors (1).

40224047 is an equidigital number, since it uses as much as digits as its factorization.

40224047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1792, while the sum is 23.

The square root of 40224047 is about 6342.2430574679. The cubic root of 40224047 is about 342.6325258361.

The spelling of 40224047 in words is "forty million, two hundred twenty-four thousand, forty-seven".