91465016222 has 4 divisors (see below), whose sum is σ = 137197524336. Its totient is φ = 45732508110.

The previous prime is 91465016177. The next prime is 91465016239. The reversal of 91465016222 is 22261056419.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22866254054 + ... + 22866254057.

It is an arithmetic number, because the mean of its divisors is an integer number (34299381084).

Almost surely, 2^91465016222 is an apocalyptic number.

91465016222 is a deficient number, since it is larger than the sum of its proper divisors (45732508114).

91465016222 is a wasteful number, since it uses less digits than its factorization.

91465016222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45732508113.

The product of its (nonzero) digits is 51840, while the sum is 38.

The spelling of 91465016222 in words is "ninety-one billion, four hundred sixty-five million, sixteen thousand, two hundred twenty-two".