46221779 has 2 divisors, whose sum is σ = 46221780. Its totient is φ = 46221778.

The previous prime is 46221767. The next prime is 46221803. The reversal of 46221779 is 97712264.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-46221779 is a prime.

It is not a weakly prime, because it can be changed into another prime (46221709) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23110889 + 23110890.

It is an arithmetic number, because the mean of its divisors is an integer number (23110890).

Almost surely, 2^46221779 is an apocalyptic number.

46221779 is a deficient number, since it is larger than the sum of its proper divisors (1).

46221779 is an equidigital number, since it uses as much as digits as its factorization.

46221779 is an evil number, because the sum of its binary digits is even.

The product of its digits is 42336, while the sum is 38.

The square root of 46221779 is about 6798.6600885763. The cubic root of 46221779 is about 358.8796937063.

The spelling of 46221779 in words is "forty-six million, two hundred twenty-one thousand, seven hundred seventy-nine".