91141622 has 16 divisors (see below), whose sum is σ = 160613712. Its totient is φ = 38241120.

The previous prime is 91141597. The next prime is 91141627. The reversal of 91141622 is 22614119.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a junction number, because it is equal to n+sod(n) for n = 91141591 and 91141600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91141627) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 159053 + ... + 159624.

It is an arithmetic number, because the mean of its divisors is an integer number (10038357).

Almost surely, 2^91141622 is an apocalyptic number.

91141622 is a deficient number, since it is larger than the sum of its proper divisors (69472090).

91141622 is a wasteful number, since it uses less digits than its factorization.

91141622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318703.

The product of its digits is 864, while the sum is 26.

The square root of 91141622 is about 9546.8121380909. The cubic root of 91141622 is about 450.0273596534.

The spelling of 91141622 in words is "ninety-one million, one hundred forty-one thousand, six hundred twenty-two".