36622091 has 4 divisors (see below), whose sum is σ = 39951384. Its totient is φ = 33292800.

The previous prime is 36622073. The next prime is 36622121. The reversal of 36622091 is 19022663.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 19022663 = 11 ⋅1729333.

It is a cyclic number.

It is not a de Polignac number, because 36622091 - 2¹⁴ = 36605707 is a prime.

It is not an unprimeable number, because it can be changed into a prime (36622031) 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, 1664630 + ... + 1664651.

It is an arithmetic number, because the mean of its divisors is an integer number (9987846).

Almost surely, 2^36622091 is an apocalyptic number.

36622091 is a deficient number, since it is larger than the sum of its proper divisors (3329293).

36622091 is a wasteful number, since it uses less digits than its factorization.

36622091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3329292.

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 36622091 is about 6051.6188743178. The cubic root of 36622091 is about 332.0838172031.

The spelling of 36622091 in words is "thirty-six million, six hundred twenty-two thousand, ninety-one".