40221254219 has 2 divisors, whose sum is σ = 40221254220. Its totient is φ = 40221254218.

The previous prime is 40221254173. The next prime is 40221254231. The reversal of 40221254219 is 91245212204.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40221254219 - 2²⁰ = 40220205643 is a prime.

It is a super-2 number, since 2×40221254219² (a number of 22 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (40221254119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20110627109 + 20110627110.

It is an arithmetic number, because the mean of its divisors is an integer number (20110627110).

Almost surely, 2^40221254219 is an apocalyptic number.

40221254219 is a deficient number, since it is larger than the sum of its proper divisors (1).

40221254219 is an equidigital number, since it uses as much as digits as its factorization.

40221254219 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11520, while the sum is 32.

The spelling of 40221254219 in words is "forty billion, two hundred twenty-one million, two hundred fifty-four thousand, two hundred nineteen".