42202204427 has 2 divisors, whose sum is σ = 42202204428. Its totient is φ = 42202204426.

The previous prime is 42202204409. The next prime is 42202204493. The reversal of 42202204427 is 72440220224.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42202204427 - 2¹⁰ = 42202203403 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42202204427.

It is not a weakly prime, because it can be changed into another prime (42202201427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21101102213 + 21101102214.

It is an arithmetic number, because the mean of its divisors is an integer number (21101102214).

Almost surely, 2^42202204427 is an apocalyptic number.

42202204427 is a deficient number, since it is larger than the sum of its proper divisors (1).

42202204427 is an equidigital number, since it uses as much as digits as its factorization.

42202204427 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14336, while the sum is 29.

The spelling of 42202204427 in words is "forty-two billion, two hundred two million, two hundred four thousand, four hundred twenty-seven".