46221551 has 2 divisors, whose sum is σ = 46221552. Its totient is φ = 46221550.

The previous prime is 46221529. The next prime is 46221583. The reversal of 46221551 is 15512264.

46221551 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 46221551 - 2¹⁰ = 46220527 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 46221551.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (46221151) 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, 23110775 + 23110776.

It is an arithmetic number, because the mean of its divisors is an integer number (23110776).

Almost surely, 2^46221551 is an apocalyptic number.

46221551 is a deficient number, since it is larger than the sum of its proper divisors (1).

46221551 is an equidigital number, since it uses as much as digits as its factorization.

46221551 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2400, while the sum is 26.

The square root of 46221551 is about 6798.6433205457. The cubic root of 46221551 is about 358.8791036186.

The spelling of 46221551 in words is "forty-six million, two hundred twenty-one thousand, five hundred fifty-one".