97224643 has 2 divisors, whose sum is σ = 97224644. Its totient is φ = 97224642.

The previous prime is 97224637. The next prime is 97224671. The reversal of 97224643 is 34642279.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 97224643 - 2¹³ = 97216451 is a prime.

It is not a weakly prime, because it can be changed into another prime (97224613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48612321 + 48612322.

It is an arithmetic number, because the mean of its divisors is an integer number (48612322).

Almost surely, 2^97224643 is an apocalyptic number.

97224643 is a deficient number, since it is larger than the sum of its proper divisors (1).

97224643 is an equidigital number, since it uses as much as digits as its factorization.

97224643 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 72576, while the sum is 37.

The square root of 97224643 is about 9860.2557269069. The cubic root of 97224643 is about 459.8245124560.

It can be divided in two parts, 9722 and 4643, that added together give a triangular number (14365 = T₁₆₉).

The spelling of 97224643 in words is "ninety-seven million, two hundred twenty-four thousand, six hundred forty-three".