40224619 has 2 divisors, whose sum is σ = 40224620. Its totient is φ = 40224618.

The previous prime is 40224599. The next prime is 40224641. The reversal of 40224619 is 91642204.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40224619 - 2⁷ = 40224491 is a prime.

It is a super-2 number, since 2×40224619² = 3236039947390322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (40224659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20112309 + 20112310.

It is an arithmetic number, because the mean of its divisors is an integer number (20112310).

Almost surely, 2^40224619 is an apocalyptic number.

40224619 is a deficient number, since it is larger than the sum of its proper divisors (1).

40224619 is an equidigital number, since it uses as much as digits as its factorization.

40224619 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 40224619 is about 6342.2881517635. The cubic root of 40224619 is about 342.6341499465.

The spelling of 40224619 in words is "forty million, two hundred twenty-four thousand, six hundred nineteen".