22691422 has 8 divisors (see below), whose sum is σ = 36655416. Its totient is φ = 10472952.

The previous prime is 22691419. The next prime is 22691429. The reversal of 22691422 is 22419622.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22691429) 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, 436348 + ... + 436399.

It is an arithmetic number, because the mean of its divisors is an integer number (4581927).

Almost surely, 2^22691422 is an apocalyptic number.

22691422 is a deficient number, since it is larger than the sum of its proper divisors (13963994).

22691422 is a wasteful number, since it uses less digits than its factorization.

22691422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 872762.

The product of its digits is 3456, while the sum is 28.

The square root of 22691422 is about 4763.5514062514. The cubic root of 22691422 is about 283.1091489224.

The spelling of 22691422 in words is "twenty-two million, six hundred ninety-one thousand, four hundred twenty-two".