22091302 has 4 divisors (see below), whose sum is σ = 33136956. Its totient is φ = 11045650.

The previous prime is 22091299. The next prime is 22091341. The reversal of 22091302 is 20319022.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 20319022 = 2 ⋅10159511.

It is a self number, because there is not a number n which added to its sum of digits gives 22091302.

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, 5522824 + ... + 5522827.

It is an arithmetic number, because the mean of its divisors is an integer number (8284239).

Almost surely, 2^22091302 is an apocalyptic number.

22091302 is a deficient number, since it is larger than the sum of its proper divisors (11045654).

22091302 is a wasteful number, since it uses less digits than its factorization.

22091302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11045653.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 22091302 is about 4700.1385085974. The cubic root of 22091302 is about 280.5910220054.

The spelling of 22091302 in words is "twenty-two million, ninety-one thousand, three hundred two".