91922469 has 4 divisors (see below), whose sum is σ = 122563296. Its totient is φ = 61281644.

The previous prime is 91922443. The next prime is 91922477. The reversal of 91922469 is 96422919.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 96422919 = 3 ⋅32140973.

It is a cyclic number.

It is not a de Polignac number, because 91922469 - 2¹¹ = 91920421 is a prime.

It is a super-2 number, since 2×91922469² = 16899480614111922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 91922469.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91922419) 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, 15320409 + ... + 15320414.

It is an arithmetic number, because the mean of its divisors is an integer number (30640824).

Almost surely, 2^91922469 is an apocalyptic number.

It is an amenable number.

91922469 is a deficient number, since it is larger than the sum of its proper divisors (30640827).

91922469 is a wasteful number, since it uses less digits than its factorization.

91922469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30640826.

The product of its digits is 69984, while the sum is 42.

The square root of 91922469 is about 9587.6206120184. The cubic root of 91922469 is about 451.3088953549.

The spelling of 91922469 in words is "ninety-one million, nine hundred twenty-two thousand, four hundred sixty-nine".