407022947 has 2 divisors, whose sum is σ = 407022948. Its totient is φ = 407022946.

The previous prime is 407022943. The next prime is 407022983. The reversal of 407022947 is 749220704.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 407022947 - 2² = 407022943 is a prime.

It is not a weakly prime, because it can be changed into another prime (407022943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 203511473 + 203511474.

It is an arithmetic number, because the mean of its divisors is an integer number (203511474).

Almost surely, 2^407022947 is an apocalyptic number.

407022947 is a deficient number, since it is larger than the sum of its proper divisors (1).

407022947 is an equidigital number, since it uses as much as digits as its factorization.

407022947 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28224, while the sum is 35.

The square root of 407022947 is about 20174.8097140964. The cubic root of 407022947 is about 741.0934328409.

The spelling of 407022947 in words is "four hundred seven million, twenty-two thousand, nine hundred forty-seven".