91422255222419 has 4 divisors (see below), whose sum is σ = 99733369333560. Its totient is φ = 83111141111280.

The previous prime is 91422255222401. The next prime is 91422255222427.

91422255222419 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 91422255222419 - 2¹² = 91422255218323 is a prime.

It is a super-2 number, since 2×91422255222419² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (91422255222019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4155557055554 + ... + 4155557055575.

It is an arithmetic number, because the mean of its divisors is an integer number (24933342333390).

Almost surely, 2^{91422255222419} is an apocalyptic number.

91422255222419 is a deficient number, since it is larger than the sum of its proper divisors (8311114111141).

91422255222419 is a wasteful number, since it uses less digits than its factorization.

91422255222419 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8311114111140.

The product of its digits is 2073600, while the sum is 50.

The spelling of 91422255222419 in words is "ninety-one trillion, four hundred twenty-two billion, two hundred fifty-five million, two hundred twenty-two thousand, four hundred nineteen".