40022219 has 2 divisors, whose sum is σ = 40022220. Its totient is φ = 40022218.

The previous prime is 40022153. The next prime is 40022251. The reversal of 40022219 is 91222004.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40022219 - 2⁸ = 40021963 is a prime.

It is a super-2 number, since 2×40022219² = 3203556027367922, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40022219.

It is not a weakly prime, because it can be changed into another prime (40022299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20011109 + 20011110.

It is an arithmetic number, because the mean of its divisors is an integer number (20011110).

Almost surely, 2^40022219 is an apocalyptic number.

40022219 is a deficient number, since it is larger than the sum of its proper divisors (1).

40022219 is an equidigital number, since it uses as much as digits as its factorization.

40022219 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 40022219 is about 6326.3116426556. The cubic root of 40022219 is about 342.0585008734.

The spelling of 40022219 in words is "forty million, twenty-two thousand, two hundred nineteen".